Research Article
Mortality Associated with Influenza in Tropics, State of São Paulo, Brazil, from 2002 to 2011: The Pre-Pandemic, Pandemic, and Post-Pandemic Periods
Table 2
Influenza virus identified by year, positivity of specimens by season State of São Paulo, 2002–2011.
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FluNet (WHO, data referring to South America) [22]. 2Guia de vigilância epidemiológica. Ministério da Saúde, Secretaria de Vigilância em Saúde. 6. ed. Brasília 2005 [28]. 3Boletim da Saúde, 2009 (State Board of Health, Rio Grande do Sul) [29]. 4Boletim Epidemiológico, 2011 (State Board of Health, Rio Grande do Sul) [30]. 5Site: http://ais.paho.org/phip/viz/ed_flu.asp [19]. 6SIVEP_GRIPE-(Brazilian Ministry of Health) [31]. *During the pandemic there was a commitment in the collection of samples for surveillance of flu-like syndromes. |