http://www.cdc.gov/flu/weekly/regions2008-2009/hhssenusmap.htm
It presents a map of the United States of America with the periodic control of the spread and contamination of Influenza A Virus, H1N1 Subtype in the several states of the country; it includes graphics and tables.
Originador(es): United States. Departmento of Health & Human Services
Recurso adicionado em:
05/08/2009
Idiomas disponíveis:
Inglês