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Diseases » Q fever » Contagiousness

Is Q fever Contagious?

Transmission of Q fever from Person to Person

Q fever is considered to be contagious between people. Generally the infectious agent may be transmitted by saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc.
Q fever, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.
The contagious disease, Q fever, can be transmitted:

  • from person to person by saliva, air, coughing, contact, surfaces, fecal-oral route, etc.

Transmission of Q fever

Transmission of Q fever to a person can be by way of:

  • contaminated air.
  • contaminated soil.

Contagion summary:

Acquired by inhalation of infected animal dust; also direct contact with another person; not by tick bites (though animal-to-animal transmission occurs this way).

Contagiousness properties for Q fever:

  Contagious overall?: Yes

  Contagious airborne?: Yes, from animal dust.

  Contagious by physical contact (non-sexual)?: Yes

  Contagious from ticks?: Unlikely, only animals seem to get the disease from ticks.

  Contagious from animals?: Yes, from animal dust.

Contagion summary:

Other modes of transmission to humans, including tick bites and human to human transmission, are rare. (Source: excerpt from Q Fever: DVRD)

About contagion and contagiousness:

Contagion and contagiousness refers to how easily the spread of Q fever is possible from one person to another. Other words for contagion include "infection", "infectiousness", "transmission" or "transmissability". Contagiousness has nothing to do with genetics or inheriting diseases from parents. For an overview of contagion, see Introduction to Contagion.


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