Viruses From Animal and Plants
West Nile virus can cause a disease in human beings that may be transmitted from an infected bird to a person by a mosquito. This is an example of

fomite borne disease
nosocomial infection
arthropod borne disease
endogenous infection

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Viruses From Animal and Plants
Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they

None of these
use it to modify host enzymes that are recruited for viral replication
have to make a positive strand copy that can be translated
use it to terminate transcripts when they copy host cell mRNA

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