Map: Approximate Geolocation of A(H7N9) cases in Eastern China by Flu Season (through January 12, 2014)
Map notes: Human infections of Influenza A(H7N9) were not identified until about half way through the 2012-2013 flu season. The start of the 2013-2014 flu season begins on September 29, 2013 for week number 40 (following the Center for Disease Control [USA] week numbering system). Some probable and cases as yet unconfirmed by the World Health Organization are included on this map. This map is current through January 12, 2014. Because the 2013-2014 flu season will continue for several more months additional A(H7N9) cases are expected.