gsgs wrote:
but no chi (Chihuahua-strain) in Asia ?!
flu comes from Asia, usually
first appearance A/Germany/AF2207/2010/01/
Here's the Chihuahu lineage
EPI310100 A/Pennsylvania/02/2011 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI309966 A/Maryland/04/2011 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI308476 A/Mexico City/WRAIR1752N/2010 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI308444 A/Chicago/WRAIR1691P/2009 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI288271 A/Boston/658/2009 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI287758 A/Athens/INS392/2010 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI282758 A/Mexico City/WRAIR1786T/2009 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI282742 A/Mexico City/WRAIR1779T/2009 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI282734 A/Mexico City/WRAIR1773T/2010 (A/H1N1) segment 3 (PA) 27.0 6.40951
EPI278892 A/Texas/03/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277968 A/Mexico City/WR1708T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277952 A/Mexico City/WR1704T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277904 A/Mexico City/WR1687T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277880 A/Mexico City/WR1673N/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277832 A/Taipei/WR1472T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI277664 A/Mexico City/WR1090N/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI271490 A/San Diego/INS214/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI271450 A/Pensacola/INS212/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI271394 A/Madrid/INS222/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI271186 A/Athens/INS261/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI271082 A/Aarhus/INS237/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270931 A/Athens/INS275/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270676 A/California/VRDL7/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270660 A/California/VRDL4/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270588 A/California/VRDL128/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270524 A/California/VRDL120/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI270444 A/California/VRDL110/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI267807 A/New York/7480/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI267663 A/California/VRDL6/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI259270 A/Athens/INS122/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI258949 A/Wisconsin/629-D02082/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI258917 A/Wisconsin/629-D00888/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI258605 A/California/VRDL98/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI258573 A/California/VRDL92/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI258317 A/Athens/INS125/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI254076 A/Texas/JMS366/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI254013 A/Utah/03/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI253989 A/New York/03/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI253001 A/Texas/JMS404/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252937 A/Texas/JMS392/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252809 A/Texas/JMS371/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252745 A/Texas/JMS359/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252377 A/Ontario/29801/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252361 A/Ontario/26184/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252184 A/Georgia/04/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252103 A/Wyoming/01/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252081 A/South Carolina/01/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252075 A/Oregon/42/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252044 A/Georgia/01/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI252024 A/California/02/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI251993 A/Mexico/476/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI250019 A/North Carolina/05/2010 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI249669 A/Texas/46182018/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI249387 A/Wisconsin/629-D02489/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI249363 A/Wisconsin/629-D02073/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI248321 A/Wisconsin/629-D02317/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI248105 A/Wisconsin/629-D01190/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI248025 A/Wisconsin/629-D00908/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI247656 A/New York/5196/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI246819 A/New York/6663/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI246611 A/New York/5173/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI223789 A/Texas/45140902/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI215341 A/Mexico City/WR1312N/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI215333 A/Mexico City/WR1311T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI215325 A/Mexico City/WR1310N/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI215317 A/Mexico City/WR1308T/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951
EPI215285 A/Mexico City/WR1297N/2009 (A/H1N1 swl) segment 3 (PA) 27.0 6.40951