The Estonian H1N1 influenza 2009 outbreak was highly underestimated

2009 H1N1 Influenza Virus Seroepidemiology

Influenza (H1N1) 2009 Outbreak and School Closure, Osaka Prefecture, Japan

Appendix Table. Number of confirmed cases of influenza A pandemic (H1N1) 2009 virus infection by school and onset date in Osaka Adults 2 1 3 2 3 3 2 2 1 19 Total 2 0 8 14 23 24 30 22 12 9 4 3 2 2 0 1 0 0 0 0 0 156 All case-patients were students except those in the Adults row. Gray shading indicates days of school closure.

Pandemic (H1N1) 2009 influenza.

On 11 June 2009, the World Health Organization declared the first human influenza pandemic since 1968–1969. The responsible virus, pandemic (H1N1) 2009 influenza, is a novel triple-reassortant influenza A virus, incorporating avian, swine and human influenza genes.1 The virus is resistant to the anti-influenza medications, amantadine and rimantadine, but is generally sensitive to the neuraminid...

Performance of a rapid influenza test in children during the H1N1 2009 influenza a outbreak.

OBJECTIVE To evaluate the performance of a rapid influenza diagnostic test (RIDT) in detecting H1N1 2009 influenza A virus in respiratory samples from pediatric patients in comparison to that of real-time reverse-transcriptase polymerase chain reaction (rRT-PCR) and viral culture. Methodology. This was a cross-sectional diagnostic-accuracy study conducted at a tertiary care children's hospital....

Outbreak of 2009 pandemic influenza A(H1N1), Los Lagos, Chile, April-June 2009.

On 17 May 2009, the first two cases of 2009 pandemic influenza A(H1N1) were confirmed in the Metropolitan region (Santiago, Chile). On 6 June 2009, Chile reported 500 confirmed cases, seven severe and two fatal. Because six of the severe cases and the two deaths occurred in the region of Los Lagos in southern Chile, a retrospective study was conducted using data on emergency room visits as well...