英和和英

the medium―the vehicle―of disease-germs

the dissemination of disease-germs

an attenuated virus

infection

vector of viral plant diseases

the incubation period―the latent period

anti‐virus software

a filterable virus

The disease-germs have spread.

viral infection

to be infected

a caprine strain of virus

a virus called {rotavirus}

plant viruses

The fly serves as a medium for the dissemination of disease-germs.

the biology of viruses

an enterovirus of the echovirus type, sometimes causing mild meningitis

tending to destroy viruses

blood carrying a disease agent

any drug that destroys viruses

the detection of viral pathogens

the smallest of viruses

a viral infection

an attenuated virus vaccine

an acutely debilitating virus

a virus disease

fleas are vectors of the plague

an infectious carrier

a virus of typhoid

a complete viral particle