Epidemiology of influenza viruses from 2009 to 2013 - A sentinel surveillance report from Union territory of Puducherry, India.

摘要: Abstract Objective To report the findings of influenza surveillance programme from Union territory Puducherry and to document clinical epidemiological data viruses over a five year period 2009 2013. Methods Respiratory samples were collected patients with influenza-like illness 2013 as part routine diagnostic activity. Detection pandemic A (H1N1) 2009, (H3N2) B was done using Real-time PCR. Results Of total 2 247 during study 287 (12.7%) 92 (4.0%) positive for respectively. subset 557 these also tested 24 (4.3%) positive. Significantly higher positivity rate both observed in adults when compared children. The peak followed by 2012, while that more uniformly distributed exception 2012. Overall mortality due 7.6% it 1% (H3N2). Each virus activity coincided high rainfall low temperature except first half Conclusions As sole referral laboratory this region, provides comprehensive picture This information will be useful future planning vaccine schedule preparedness.