Virological surveillance of human cases of influenza A(H1N1)v virus in Italy: preliminary results.
In this report we describe the findings of laboratory-based surveillance of human cases of influenza A(H1N1)v virus infection in Italy, following the recent worldwide detection of this new virus among human population and the decision of the World Health Organization (WHO) to raise the level of pandemic alert.
Department of Infectious, Parasitic and Immune-mediated Diseases, National Institute of Health (Istituto Superiore di Sanita), Rome, Italy.
D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006801:Humans; D015994:Incidence; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D007558:Italy / Q000453:epidemiology; D011159:Population Surveillance; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors