Is Ascariasis Contagious?
Transmission of Ascariasis from Person to Person
Ascariasis is considered infectious but is not transmitted from person to person.
Generally, a disease like this is caused by an infectious agent and not spread between people.
Ascariasis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.
Transmission of Ascariasis
Transmission of Ascariasis to a person can be by way of:
Spread by human feces in areas of poor sanitation.
Contagiousness properties for Ascariasis:
Contagious from water?:
Contagious from food?:
Contagious from feces?:
You or your children
can become infected after touching your mouth with your hands contaminated
with eggs from soil or other contaminated surfaces. (Source: excerpt from Ascaris Infection: DPD)
Discussion about Contagion of Ascariasis:
Ascarid eggs are found
in the soil. Infection occurs when a person accidently ingests (swallows)
infective ascarid eggs. Once in the stomach, larvae (immature worms) hatch
from the eggs. The larvae are carried through the lungs then to the throat
where they are then swallowed. Once swallowed, they reach the intestines
and develop into adult worms. Adult female worms lay eggs that are then
passed in feces; this cycle will take between 2-3 months.
Pigs can be infected
with ascarids. Occasionally, a pig ascarid infection can be spread to
humans; this occurs when infective eggs, found in the soil and manure, are
ingested. Infection is more likely if pig feces is used as fertilizer in
the garden; crops then become contaminated with ascarid eggs. (Source: excerpt from Ascaris Infection: DPD)
About contagion and contagiousness:
Contagion and contagiousness refers to how easily
the spread of Ascariasis 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.
» Next page: Treatments for Ascariasis
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