This is the time in the year where people are encouraged toreceive a vaccination for influenza (flu). Flu in humans is causedby the influenza virus of which there are several strains. StrainsA and B are the most important in causing flu in humans. Sincestrain A has been studied more, and A and B are similar, use strainA for your answers.
How does the flu virus enter human cells? This question refersto entering individual cells rather than entering the body.
How are the viral genes expressed? How does the virus get itsown genes transcribed and translated in the host cell?
How do new progeny viral particles leave the host cell?
