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29-07-2016
Health

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Vaccinations are mainly used to prevent the spread of
a. viral diseases.
b. fungal infections.
c. bacterial diseases.
d. parasitic infections.

Respuesta :

pandamille pandamille

01-08-2016

Vaccinations are mainly used to prevent the spread of a. viral diseases.

a. viral diseases.(measles or hepatitis B...)

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