I N F L U E N Z A V I R U S Influenza virus is something most people get at least once in their lifetime. It is commonly known as ¡§the flu.¡¨ It contains single stranded RNA. It attacks both human and animals. It reproduces in a lytic cycle. It is inhaled and comes in contact with cells of the upper air passage. It penetrates the cells that line these passages and reproduce. …showed first 75 words of 850 total…

…showed last 75 words of 850 total…manufactured for use that fall. Immunity develops one to two weeks after the shots. The vaccine is made from dead viruses so people can't get the flu from a flu shot. However, people allergic to eggs should avoid the vaccine since they are grown in chicken eggs. The vaccine can reduce the rate of occurrence in people over 60 by half. If people do get the flu even though they're vaccinated, they usually experience milder symptoms.