Influenza Sentinel Surveillance in Lagos State Nigeria, 2009 - 2011

The LASUTH Site of the National Influenza Surveillance site (NISS) commenced operation in 2009 It was set up to characterize the epidemiology of seasonal human influenza. We did a secondary analysis of the data from the site. Types A (60.4%) and B (3.96%) flu were identified. The sub-types of A viruses were A/H1 (3.3%), A/H3 (57.4%), Novel AH1/ N1 (37.7%), A/ un-subtyped. The ISS site is achieving the aim for which it was set up.