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Diseases » Meningitis » Glossary
 

Glossary for Meningitis

  • AIDS-Related Opportunistic Infections: A term given to HIV patients who have a low CD4 count (below 200) which means that they have low levels of a type of immune cell called T-cells. AIDS patients tend to develop opportunistic infections and cancers. Opportunistic infections are infections that would not normally affect a person with a healthy immune system. The HIV virus is a virus that attacks the body's immune system.
  • Acanthamoeba: Several conditions from infection with ameba.
  • Actinomycosis: An infection that results from the bacteria sp. Actinomyces.
  • Acute Appendicitis: Infection of the appendix
  • Amebic meningoencephalitis:
  • Angiostrongyliasis: Infection by a parasitic worm (Angiostrongylus). Infection can occur through eating contaminated raw animals such as snails, slugs, prawns or crabs which act as hosts to these parasites.
  • Anthrax: A serious infectious bacterial disease that can be fatal.
  • Arachnoiditis: A progressive disorder where the arachnoid membrane becomes inflamed and the brain and spinal cord may also become inflamed.
  • Arbovirosis: An infectious disease caused by an arbovirus. The virus is transmitted by arthropods such as insects and ticks. Examples of arboviruses include Yellow Fever, Japanese encephalitis and tick-borne encephalitis. The symptoms may vary depending on the type of virus involved. The infection can lead to life-threatening brain inflammation.
  • Arbovirus: Any group of viruses transmitted to humans by mosquitoes and ticks
  • Ausrian triad: The association of pneumococcal pneumonia, meningitis and endocarditis.
  • Bacteremia: A condition where there is the presence of bacteria in the blood
  • Bacterial diseases: Diseases caused by a bacterial infection
  • Bacterial meningitis: Bacterial meningitis is a form of meningitis caused by bacteria that normally lives in the mouth and throat. When the immune system is unable to supress this bacteria, it travels to the cerebrospinal spinal fluid in the brain. From there it affects the membranes surrounding the brain.
  • Bartonella infections: Infection with bacteria from the Bartonella genus of bacteria. Specific bacteria from within this group are Bartonella bacilliforms (Oroya fever), Bartonella Heneslae (Cat-scratch disease). Other conditions caused by this bacteria are endocarditis, bacteremia and angiomatosis. Symptoms vary depending on the type of bacteria involved and the severity of the infection - immunocompromised patients face greater risk of severe infection.
  • Bartonellosis: An infectious disease caused by Bartonella bacilliforms and transmitted by sandflies. It causes fever, anemia and a skin rash.
  • Behcet's Disease: Recurring inflammation of small blood vessels affecting various areas.
  • Biotinidase deficiency: A metabolic disorder where the body lacks the enzyme biotinidase needed to process the vitamin called biotin (vitamin H) into carboxylase enzymes.
  • Blastomycosis: A fungal infection caused by Blastomyces dermatitidis and resulting in lung, skin, bone and genitourinary involvement.
  • Brain abscess: Pus accumulating into an abscess on the brain
  • Brain cancer: Cancer of the brain.
  • Brain conditions: Medical conditions that affect the brain
  • Brain infection: Infection of the brain including encephalitis
  • Brucellosis: An infectious disease caused by the Brucella genus which is transmitted from animals to humans.
  • Burkholderia pseudomallei: Gram negative, aerobic, motile rod shaped bacterium.
  • Campylobacter fetus infection: Campylobacter fetus is a food borne bacterial infection which may vary in severity from mild to severe. The bacteria are opportunistic and mainly affect debilitated patients but can also occur in healthy patients. Abortion due to blood infection in the fetus can occur in pregnant women who become infected. The infection is less likely to cause gastrointestinal symptoms such as diarrhea than other Campylobacter infections but is prone to causing infection in other parts of the body such as the appendix, abdominal cavity, central nervous system (meningitis), gallbladder, urinary tract and blood stream. Cattle and sheep are the main source of this bacteria.
  • Campylobacter food poisoning: Common bacterial infection usually from chicken.
  • Campylobacter jejuni infection: Campylobacter jejuni infection is a common food borne bacterial infection which may vary in severity from mild to severe. Death can occur in severe cases but tends to occur in patients with other existing illnesses such as HIV, cancer or liver disease. The infection can in rare cause infection in other parts of the body such as the appendix, abdominal cavity, central nervous system (meningitis), gallbladder, urinary tract and blood stream. Undercooked chicken is the main source of infection.
  • Capnocytophaga: A bacterial infection caused by Capnocytophaga canimorsus which is often found in normal healthy cats and dogs. The infections tends to occur mainly in immunocompromised patients, alcoholics or patients who have chronic respiratory disease or have had their spleen removed. The eyes are particularly sensitive to this infection. The incubation period can be as long as eight days.
  • Cellulitis: Inflammation of skin or subcutaneous tissues.
  • Chagas disease: A parasitic infection caused by the protozoa Trypanosoma cruzi and transmitted by insect bites or blood transfusions. The disease primarily involves the heart and gastrointestinal system.
  • Chickenpox: Common viral infection.
  • Child health conditions: Any medical conditions typically afflicting children.
  • Cholesteatoma: Uncommon middle ear condition
  • Coccidioidomycosis: An infectious disease caused by a fungus called Coccidioides immitis which is found in the soil. Transmission usually occurs through inhalation but can rarely occur through the skin. Very rarely, infection can spread throughout the body to involve the skin, bones, joints, lungs and central nervous system which can be fatal if untreated.
  • Cognitive impairment: General loss of mental or cognitive ability
  • Cold & Flu:
  • Colorado tick fever: A tickborne condition caused by an arenavirus
  • Common Variable Immunodeficiency: An immunodeficiency disorder involving low blood gamma globulin levels which results in an increased susceptibility to infections. The condition may be inherited or can be caused by certain drugs (levamisole, hydantoin and carbamazepine).
  • Common cold: A cold is a relatively minor contagious infection of the nose and throat that can be caused by a number of different viruses (e.g. rhinoviruses, coronaviruses). There are over 200 different viruses that have the potential to cause the common cold. Although colds can cause discomfort they are not considered a serious condition.
  • Complement component deficiency: Complement components are a part of the immune defense system involved in destroying and removing invading pathogens such as bacteria. A deficiency of the complement components can affect the ability of the body's immune system to function properly. The disorder which can be partial or complete and may be inherited or acquired. The severity of the symptoms is determined by which complement component (there are at least 30 of them) is deficient and whether the deficiency is partial or complete.
  • Complement receptor deficiency: Complement receptors are a part of the immune defense system and they initiate the process of destroying and removing invading pathogens. A deficiency of complement receptors thus affects the immune system. It may be inherited or be associated with autoimmune disorders such as systemic lupus erythematosus diabetic nephropathy patients on hemodialysis.
  • Congenital herpes simplex: An infant born with a herpes simplex infection transmitted through the mother. The infection may be localized or involve various internal organs and even the central nervous system in which case death can occur.
  • Congenital syphilis: Syphilis inherited from mother during pregnancy.
  • Cryptococcal Meningitis: Cryptococcal meningitis is an infection of the meninges (the membranes covering the brain and spinal cord), caused by the fungus Cryptococcus neoformans.
  • Cryptococcosis: A fungal infection caused by Cryptococcus neoformans which primarily affects the central nervous system and the lungs. People with weakened immune systems such as AIDS sufferers are generally more susceptible to this type of infection.
  • Currarino triad: A rare birth malformation consisting of abnormalities in the anal, sacral and presacral areas.
  • Death: The cessation of life
  • Dehydration: Loss of fluids in the body
  • Dexamethasone -- Teratogenic Agent: There is evidence to indicate that exposure to Dexamethasone during pregnancy may have a teratogenic effect on the fetus. A teratogen is a substance that can cause birth defects. The likelihood and severity of defects may be affected by the level of exposure and the stage of pregnancy that the exposure occurred at.
  • Diseases contagious from droplets: Diseases that can be contracted from droplets
  • Diseases contagious from saliva: Diseases that can be contracted from saliva
  • Drug-resistant Streptococcus Pneumoniae Disease: Streptococcal respiratory infection resistant to antibiotics
  • E-coli food poisoning: Type of bacterial food poisoning
  • Eastern equine encephalitis: Is a mosquito born virus that occurs in the eastern united states and causes disease in humans, horses and some birds
  • Edwardsiella tarda infection: A type of bacterial infection. The bacterium (Edwardsiella tarda) infects freshwater-dwelling animals and transmission occurs through consuming infected animals or contact with contaminated water. Symptoms are determined by the location of the infection. Healthy people are often able to fight of the infection but those with an underlying illness or poor immune systems may be more susceptible.
  • Ehrlichiosis: Bacterial tick-borne disease
  • Eikenella corrodens infection: A type of anaerobic bacterial infection. The bacterium (Eikenella corrodens) is normally found in tooth plaque and can cause infection in various parts of the body. It tends to occur in patients with head and neck cancers or diabetics and drug users who lick their needles. Symptoms will depend on the location of the infection.
  • Encephalitis: Dangerous infection of the brain
  • Enterovirus antenatal infection: Fetal infection with enterovirus. The condition is extremely rare but infection around the time of birth often results in death or paralysis in survivors. The type and severity of symptoms is determined by the exact type of virus involved and at what stage of development the infection occurs.
  • Enteroviruses: Viruses affecting the digestive tract.
  • Epiglotitis: Inflamation of the epiglottis in the throat
  • Epilepsy: Brain condition causing seizures or spasms.
  • Familial Mediterranean fever: A rare inherited condition characterized by recurrent fever and inflammation. The inflammation usually involves the stomach, lungs or joints.
  • Flu: Very common viral respiratory infection.
  • Fungal meningitis: Fungal meningitis is an infection that causes swelling and irritation of the tissue around the brain and spinal cord. It usually strikes people whose weakened immune systems can't fight off infection. The disease is not common. but it can be very serious.
  • Galactorrhoea-Hyperprolactinaemia: Increased blood prolactin levels associated with galactorrhea (abnormal milk secretion). It may be caused by such things as certain medications, pituitary disorders and thyroid disorders. The condition can occur in males as well as females.
  • Gnathostoma hispidum infection: A tapeworm infection with a tapeworm species called Gnathostoma hispidum. The infection is called gnathostomiasis and usually results from eating undercooked contaminated fish or poultry or drinking contaminated water. The nature and severity of symptoms vary depending on which part of the body the tapeworms migrate through (usually the skin).
  • Gnathostoma spinigerum infection: A tapeworm infection with a tapeworm species called Gnathostoma spinigerum. The infection is called gnathostomiasis and usually results from eating undercooked contaminated fish or poultry or drinking contaminated water. The nature and severity of symptoms vary depending on which part of the body the tapeworms migrate through (usually the skin).
  • Group A Streptococcal Infections: "Strep" bacteria responsible for strep throat, impetigo and some other strep conditions.
  • Group B Streptococcal Infections: "Strep" bacteria that may affect newborns and the immune-compromised; compare strep A.
  • HIV/AIDS: HIV is a sexually transmitted virus and AIDS is the progressive immune failure that HIV causes.
  • Hand, Foot, & Mouth Disease: Common contagious viral infant or child condition
  • Head Conditions: Conditions that affect the head
  • Head injury: An injury to the head
  • Headache: In medicine a headache or cephalalgia is a symptom of a number of different conditions of the head and sometimes neck. Some of the causes are benign while others are medical emergencies. It ranks among the most common pain complaints
  • Hearing impairment: Reduced ability to hear sounds.
  • Hemophagocytic Lymphohistiocytosis: A condition which is characterized by an abnormal appearance of histiocytes in the blood
  • Hemophagocytic reticulosis: The abnormal proliferation of reticulum cell (histiocytes) which infiltrate various organs and. Macrophages destroy blood cells causing blood abnormalities. Meningoencephalitis frequently occurs when the histiocytes infiltrate the mininges and cerebral tissue. Symptoms start at birth or soon after and become progressively worse without treatment. Medication can control the condition but a hematopoietic stem cell transplant is needed to achieve remission.
  • Hemophilus influenzae B: Bacterial respiratory infection with dangerous complications.
  • High fever: Where a patient has an elevated temperature
  • Hydrocephalus: A rare condition where the normal flow of cerebrospinal fluid is impaired by dilated brain ventricles which causes the fluid to accumulate in the skull and hence result in increased brain pressure.
  • Hyperventilation: Excessively rapid breathing causing blood gas imbalances
  • Immunodeficiency due to interleukin-1 receptor-associated kinase-4 deficiency: Susceptibility to infection as a result of a genetic defect which affects immunity. Infections tend to be severe and can be life-threatening.
  • Infective endocarditis: The infection and inflammation of the inner heart layers, especially the valves. The infection is usually bacterial. The condition carries a high risk of death.
  • Inflammatory conditions that may be pathogenic or non-pathogenic: Medical conditions causing inflammation, whether due to a pathogen (e.g. bacteria, virus), or a systemic or other cause.
  • Invasive candidiasis: Severe fungal infection usually in immunocompromised persons
  • Japanese encephalitis: A form of encephalitis caused by a flavivirus (Japanese B encephalitis virus - JBEV) and transmitted by mosquito bites. Most cases are mild and asymptomatic but severe cases can lead to death.
  • Kawasaki disease: A childhood illness that generally affects the skin, mouth and lymph nodes.
  • Kuru: An infectious prion disease that is only found in New Guinea
  • Labrynthitis: Inner ear condition affecting various ear structures
  • Leptomeningitis: A condition which is characterized by inflammation of the leptomeninges
  • Leptospirosis: Bacterial infection usually caught from animal urine.
  • Listeriosis: Bacterial food poisoning
  • Listeriosis meningoencephalitis: Listeria monocytogenes infection of the brain and meninges that can occur in immunocompromised people or newborns.
  • Lupus: Autoimmune disease with numerous effects on various organs and linings.
  • Lyme disease: Lyme disease is an emerging infectious disease caused by at least three species of bacteria belonging to the genus Borrelia.
  • Lymphocytic Choriomeningitis: Rodent-borne viral disease often causing meningitis or encephalitis
  • Lymphoproliferative Syndrome, X-Linked, 1: A rare inherited immunodeficiency disorder where the body's immune systm is unable to respond appropriately to certain viral infections (Epstein Barr virus). The immune system becomes weakened following and EBV infection. As the condition in inherited in a X-linked manner, males tend to suffer the full extent of the disease which tends to be eventually fatal in most cases. Female carriers tend not to develop and problems following an EBV infection. Type 1 is linked to a defect on chromosome Xq25.@
  • Lymphoproliferative Syndrome, X-Linked, 2: A rare inherited immunodeficiency disorder where the body's immune systm is unable to respond appropriately to certain viral infections (Epstein Barr virus). The immune system becomes weakened following and EBV infection. As the condition in inherited in a X-linked manner, males tend to suffer the full extent of the disease which tends to be eventually fatal in most cases. Female carriers tend not to develop and problems following an EBV infection. Type 2 is linked to a defect in the XIAP gene on chromosome Xq25.
  • Lysteria monocytoigeneses meningitis: A very rare form of meningitis (bacterial infection of the brain membrane or meninges) caused by Listeria monocytogenes. The condition is more common in the elderly and those with poor immune system and death is common.
  • Mastoiditis: Inflammation of a bone behind the ear
  • Measles: Once common viral infection now rare due to vaccination.
  • Melioidosis: Bacterial infection from soil or water.
  • Meningococcal disease: Dangerous bacterial infection causing meningitis or bacteremia.
  • Meningoencephalitis: A condition which is characterized by inflammation of the brain and meninges
  • Mental retardation -- dysmorphism -- hypogonadism -- diabetes: A very rare syndrome characterized mainly by mental retardation, hypogonadism, diabetes and facial and skull abnormalities.
  • Middle ear infection: Infection of middle ear also called otitis media.
  • Mumps: An acute viral disease that causes the salivary glands to become swollen, sore and inflamed. Immunization had greatly reduced the incidence of this disease.
  • Myiasis: A condition that is characterised by the invasion of the body by the larvae of flies
  • Nausea: The queasy feeling of nausea and often also vomiting.
  • Nervous system conditions: Diseases affecting the nerves and the nervous system.
  • Neurological disorders related to AIDS: It usually occurs due to decreased immunity.
  • Nosocomial infections: Any infection that originates in a hospital
  • Opisthotonus: is a state of extreme hyperextension and spasticity of the head, neck and spinal column
  • Opportunistic infections: Is defined as an infection that occurs due to an organism that does not usually cause disease but becomes pathogenic under certain conditions
  • Pasteurella multocida: An infectious disease caused by a bacterium called Pasteurella multocida. It is often transmitted through bites and scratches from pets and it can be found in mammals and fowl.
  • Permanent brain damage: A condition which is characterized by damage to the brains function that is permanent in nature
  • Photophobia: An exaggerated or irrational fear of light.
  • Plague: A rare but serious bacterial infection involving the bacterium Yersinia Pestis which can be carried by rodents and transmitted to humans by flea bites or through direct contact with an infected animal.
  • Pneumococcal meningitis: Pneumococcal meningitis is an inflammation or infection of the membranes covering the brain and spinal cord caused by Streptococcus pneumoniae (also called pneumococcus).
  • Pneumococcus: Bacteria causing ear infections, pneumococcal pneumonia, and pneumococcal meningitis.
  • Polio: Dangerous virus now rare due to vaccination.
  • Pontiac fever: Mild form of legionellosis usually in healthy people.
  • Primary amoebic meningoencephalitis: Meningitis/encephalitis from amebic infections.
  • Pseudomonas pseudomallei: A form of pseudomonas
  • Pulmonary Anthrax: Inhaled lung anthrax, most severe form of anthrax.
  • Rabies: An infectious disease that can affect any mammal including humans and is transmitted through the saliva of an infected animal. The infectious agent is the Neurotropic lyssavirus which affects the salivary gland and also causes neurological symptoms.
  • Rat-bite fever: An infectious diseases where a bite from a rate transmits a bacterial or fungal infection. The symptoms depend on the infecting organism.
  • Reye's Syndrome: A syndrome in children recovering from infection and associated with aspirin.
  • Rhodococcus equi: A rare form of bacterial infection that usually affects horses and foals but can cause infection mainly in immunocompromised people. Infection usually starts at the site of some sort of trauma. Symptoms and severity may vary considerably depending on the location and extent of the infection.
  • Rocky Mountain spotted fever: A bacterial disease caused by Rickettsia rickettsii and transmitted by ticks. The condition causes fever and a characteristic rash and may be fatal in severe or untreated cases.
  • Rubella congenital syndrome: The transplacental infection of a fetus with rubella
  • SCID: Major failure of the immune system, usually genetic.
  • Salmonella food poisoning: Common type of food poisoning.
  • Secondary syphilis: A condition which is characterized by fever, multiform skin eruptions, iritis, alopecia, mucous patches and severe pain in the head and joints
  • Sensitive hearing: Overly sensitive hearing (hyperacusis) in one or both ears.
  • Sensorineural hearing loss: Hearing loss due to abnormal functioning or damage to the hearing nerve or the cochlea (inner ear) or the part of the brain that processes sound. The hearing problem may be present at birth or may be acquired through such things as aging, excessive noise or diseases such as meningitis.
  • Serratia: An infectious disease caused by bacteria from the Serratia genus. The bacteria can cause urinary tract infection, pneumonia, respiratory tract infections, endocarditis, osteomyelitis, septicemia, eye infection, meningitis and wound infections. This type of bacterial infection shows some antibiotic resistance. Symptoms and severity depend on the location and extent of the infection.
  • Severe combined immunodeficiency, T- B+ due to JAK3 deficiency: A recessively inherited immunodeficiency disorder characterized by a lack of circulating T and Natural Killer Cells and a normal level of B cells. The disorder is caused by a defect on the JAK3 gene. Infants may display symptoms such as pancytopenia, skin rash and abnormal liver function due to a graft-versus-host reaction to the mother's T cells via the placenta. If the condition is not treated, death occurs.
  • Severe headache: A condition which is characterized by a severe headache
  • Shock: Severe condition from reduced blood circulation
  • Simian B virus infection: A type of herpesvirus which occurs in monkeys but can be transmitted to humans through bites or through contact with infected monkey tissue as in a laboratory situation. The virus infects the brain (encephalitis) and the surrounding membrane (meningitis).
  • Sinusitis: Sinusitis is an inflammation of the paranasal sinuses.
  • Skull fracture: A fracture of the bones of the skull
  • Smith disease: A harmless condition involving increased lymphocyte levels which may manifest as a variety of symptoms or may be asymptomatic. Diseases such as whooping cough and German measles are believed to be possible causes. The disease most commonly occurs in children and young adults.
  • St. Louis encephalitis: Mosquito-borne type of brain infection (encephalitis)
  • Staphylococcal infection: Any infection caused by the bacteria staphylococcal
  • Stiff neck: Reduced mobility of the neck
  • Streptococcal Group B invasive disease: Infection with bacteria called Group B Streptococcus which can cause severe symptoms or even death. The bacteria occur in the stomach and the urogenital tract of females and are normally harmless and cause no symptoms. However, it can cause a range of diseases in newborns, the elderly and people with poor immune systems.
  • Streptococcal Infections: Various "strep" bacterial infections.
  • Subarachnoid haemorrhage: A condition which is characterized by haemorrhage of blood into the subarachnoid space
  • Syphilitic aseptic meningitis: A chronic syphilis infection which affects the nervous system.
  • Systemic candidiasis: A candida infection that spreads throughout the body. If it invades major organs such as the brain and heart, death may result. It is rare in healthy individuals and tends to occur in immunocompromised individuals. The disorder is difficult to diagnose as it can invade almost any organ of the body and hence the symptoms are hugely variable.
  • Tetanus: A disease caused by chemicals which are produced by a bacterium (clostridium tetani) and are toxic to the nerves. The infection usually occurs when the bacteria enter the body through a deep wound - these bacteria are anaerobic and hence don't need oxygen to survive.
  • The clap: A sexually transmitted infection by the bacteria Neisseria gonorrhoeae.
  • Thrombotic thrombocytopenic purpura, acquired: A rare blood condition where small blood clots form in blood vessels which reduces the number of blood platelets and results in kidney failure, neurological symptoms and anemia. The condition may be familial or acquired - symptoms tend to recur regularly in the familial form.
  • Thrombotic thrombocytopenic purpura, congenital: A rare blood condition where small blood clots form in blood vessels which reduces the number of blood platelets and results in kidney failure, neurological symptoms and anemia.
  • Tick-borne encephalitis: A viral infection (flavivirdae) of the central nervous system which is transmitted by ticks. Ticks usually feed on small rodents who are the main carriers of the virus. Transmission may also occur through the consumption of untreated milk. The incubation period is usually 1 to 2 weeks. The symptoms occur in two phases: the first involves symptoms of a general viral illness (fever, headache, nausea, aching muscles) followed by a period of remission and then central nervous system inflammation such as meningitis. However, many patients only suffer the first phase of the disease.
  • Togaviridae disease: Infection with any of a number of togaviridae viruses which can caused conditions such as Equine encephalitis, Ross River virus and Rubella virus. Symptoms are determined by the type of virus involved. Togaviridae are arboviruses and are transmitted by arthropods.
  • Torulopsis: A type of yeast infection caused by Torulopsis glabrata. The fungus is often found in normal healthy skin, respiratory system, genitourinary system and gastrointestinal system and it generally only becomes a problem in weakened or immunocompromised people. They type of symptoms are determined by where and how severe the infection is.
  • Toxoplasmosis: Infection often caught from cats and their feces.
  • Trichinosis: Worm infection usually caught from pigs
  • Trypanosomiasis, east-African: A rare infectious disease caused by a parasite called Trypanosoma brucei rhodesiense and is transmitted through the bite of an infected Tsetse fly. The infection causes an acute illness with symptoms occurring from days to weeks after infection. Death relatively common, especially in untreated cases.
  • Tuberculosis: Bacterial infection causing nodules forming, most commonly in the lung.
  • Tuberculous meningitis: Tuberculous meningitis is an infection of the membranes covering the brain and spinal cord caused by Koch's bacillus.
  • Typhoid fever: Fever from bacterial food poisoning.
  • Venezuelan equine encephalitis: A mosquito-borne virus that usually affects horses and related animals but may also infect humans. Young, weak and old people may become very sick and in some cases death can occur. It occurs in Central and South America. The incubation period is 2-5 days. The period of illness is usually 3-8 days but relapses are possible.
  • Vibrio infection -- Vibrio cincinnatiensis: An infectious disease caused by a bacteria called Vibrio cincinnatiensis. The nature and severity of symptoms can vary considerably depending on the type of infection caused - gastroenteritis, wound infection or septicemia. This particular infection however tends to cause mainly meningitis. The elderly and very young tend to suffer more severe symptoms.
  • Viral diseases: Any disease that is caused by a virus
  • Viral meningitis: Viral meningitis refers to meningitis caused by a viral infection
  • Vogt-Koyanagi-Harada Syndrome: A rare condition characterized by poliosis and hair, skin, eye and ear abnormalities as well as retinal detachment and neurological involvement.
  • Vomiting: Vomiting or retching symptoms.
  • Weil's syndrome: Severe form of Leptospirosis
  • West African Trypanosomiasis: West African sleeping sickness from the tsetse fly
  • West Nile fever: Mosquito-borne infectious virus.
  • Western equine encephalitis: An infectious disease caused by an arbovirus (Alphavirus - Togaviraidae) and transmitted by infected mosquitoes. The infection primarily attacks that central nervous system and severity can range from asymptomatic to severe complications and even death in rare cases.

 

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