http://www.cdc.gov/flu/avian/gen-info/flu-viruses.htm
It presents information on the influenza viruses, types, subtypes and strains, the difference between human and avian viruses and how they could change.
Originador(es): Department of Health and Human Services. Center for Disease Control and Prevention - CDC
Recurso adicionado em:
13/10/2005
Idiomas disponíveis:
Inglês