1. What are some human
diseases caused by virus and
what are the irrespective
modes of transmission?

Gap-fill exercise

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The main viral diseases by
respiratory secretions (sneezes, )
and by saliva drops flu, mumps,
smallpox (variola, considered
eradicated), rubella, measles, .
Main viral diseases transmitted
blood or sexual contact AIDS,
hepatitis B, hepatitis , HPV, ebola
hemorrhagic fever. viral diseases
transmitted by vectors are
rabies, dengue , yellow fever.
Some viral transmitted by
fecal-oral route, contaminated
food, are hepatitis , poliomyelitis
(disease almost eradicated many
partsof the world).