Immunity conferred by influenza virus vaccine is short-lived. After immunization with inactivated influenza virus vaccine, serum antibody levels peak within a few months and then decline rapidly. This decline was…
Does previous exposure to influenza H1N1 viruses, either by infection or vaccination, provide any protection against infection with the new H1N1 influenza virus strains? The answer to this question might…
…by the innate immune system, which responds very quickly – within minutes to hours after infection. A key property of the innate immune system is the ability to recognize viruses…
…establishing an antiviral state. Many viruses are unable to replicate in cells treated in this way. An example is the inhibition of replication of encephalomyocarditis virus (EMCV), a picornavirus, by…
…infection. Of 1,155 children and adults with ARI, 416 (36%) were positive for influenza A or B virus. Of these, 236 (57%) were influenza A virus (all H3N2) and 180…
…that aquatic birds which harbor influenza virus could be exposed to the antiviral, leading to selection of drug resistant viruses. Oseltamivir is an inhibitor of the influenza neuraminidase (NA) glycoprotein….
