influenza a virus
Flu Illness
Australia Beefs Up Battle Against Swine Flu
Strains of all subtypes of influenza A virus have been isolated from wild birds, Some isolates of influenza A virus cause severe disease both in domestic poultry viruses are divided into three types, designated A, B, and C. Influenza type viruses undergo two kinds of changes. Overview article on the virus and infection in humans. 3.1 Types of influenza virus. 3.1.1 Influenzavirus A.
3.1.2 Influenzavirus B CDC Centers for Disease Control and Prevention Flu Homepage Influenza A and B viruses are responsible for seasonal flu epidemics each year More about Influenza: Causes and symptoms Diagnosis Treatment Alternative The virus has short incubation period; that is, there is only a A virus. From Citizendium, the Citizens' Compendium. Jump to: virus uses RNA in its propagation, which is enclosed in the capsid. The Virus. The Genes of Influenza A.
The Disease. Pandemics and Antigenic Shift Influenza A viruses also infect domestic animals (pigs, horses, The virus is not only highly contagious -- it also is highly changeable. most striking feature of the virus is a layer of spikes . .
