Continents  Countries  Influenza A Virus (IAV) Subtypes  Other Influenza Virus Types  References
Africa  Cameroon  H1N1, A(H1N1)pdm09  None  [51,52,53]
Nigeria  H1N1, H3N2, A(H1N1)pdm09, H5N1  None  [52,54,55,56,57,58,59]
Ghana  H3N2  None  [57]
Egypt  H5N1, H5N2, H9N2, A(H1N1)pdm09  None  [60,61]
Kenya  H1N1, H3N2, A(H1N1)pdm09  None  [62,63,64]
Benin, Cote d’Ivoire  None  None  [65]
Reunion island  A(H1N1)pdm09  None  [66]
Togo  A(H1N1)pdm09  None  [67]
Uganda  IAV  None  [68]
Asia  China  H1N1, H1N2, H3N2, A(H1N1)pdm09, H5N1, H9N2, H4N1, H4N6, H5N3, H10N5, H4N8, H6N6, H7N9, H3N8  ICV, IDV  [69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106]
Bhutan  H1N1, A(H1N1)pdm09  None  [107]
Cambodia  H1N1, H3N2, A(H1N1)pdm09  None  [108,109]
Japan  H1N1, H1N2, H3N2, A(H1N1)pdm09  ICV  [110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126]
South Korea  H1N1, H1N2, H3N2, A(H1N1)pdm09, H7N2, H5N2, H3N1  None  [127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143]
Thailand  H1N1, H1N2, H3N2, H3N1, A(H1N1)pdm09  None  [144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159]
Viet Nam  H1N1, H1N2, H3N2, A(H1N1)pdm09, H5N1  None  [160,161,162,163]
India  H1N1, H2N2, H3N2, A(H1N1)pdm09  None  [164,165]
Lebanon  H9N2  None  [166]
Malaysia  H1N1, H3N2  None  [167]
Laos  H3N2  None  [168]
Russia  H1N1  None  [169]
Taiwan  IAV  IBV  [170,171]
Indonesia  H5N1  None  [172]
Sri Lanka  H3N2, A(H1N1)pdm09  None  [173]
Kazakhstan  H1N1, H3N2  None  [174]
Australia  Australia  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [175,176,177,178]
Europe  Belgium  H1N1, H1N2, H3N2  None  [179,180,181]
Denmark  H1N1, H1N2, H3N2  None  [182,183,184]
United Kingdom  H1N1, H1N2, H3N2, A(H1N1)pdm09, H1N7  IBV, ICV  [185,186,187,188,189,190,191,192]
Finland  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [193,194]
France  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [195,196,197,198,199]
Germany  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [200,201,202,203]
Greece  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [204]
Italy  H1N1, H1N2, H3N2, A(H1N1)pdm09  IDV  [205,206,207,208,209,210,211,212,213,214,215,216,217]
Spain  H1N1, H1N2, H3N2  None  [218,219,220,221]
Netherlands  H1N1, H1N2, H3N2  None  [222]
Norway  A(H1N1)pdm09  None  [223,224,225,226]
Poland  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [227,228,229]
Czechoslovakia  H3N2  None  [230]
Hungary  H1N1  None  [231]
Czech Republic  H1N1, H1N2, H3N2  None  [232]
Republic of Ireland  H1N1, H1N2, H3N2  None  [232]
Luxembourg  None  IDV  [46]
Multiple European Nations  H1N1, H1N2, H3N2  None  [233]
North America  Canada  H1N1, H1N2, H3N2, A(H1N1)pdm09, H4N6, H3N3  None  [234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258]
USA  H1N1, H1N2, H3N1, H3N2, A(H1N1)pdm09, H4N6, H2N3  IBV, IDV  [259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303]
Mexico  H1N1, H1N2, H3N2, A(H1N1)pdm09, H5N2  None  [304,305,306,307,308,309]
Guatemala  H3N2, A(H1N1)pdm09  None  [310]
Cuba  H1N1, A(H1N1)pdm09  None  [311,312]
Trinidad & Tobago  H3N2, A(H1N1)pdm09  None  [313]
South America  Argentina  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [314,315,316,317,318]
Brazil  H1N1, H1N2, H3N2, A(H1N1)pdm09  None  [319,320,321,322,323,324,325,326,327,328,329]
Colombia  A(H1N1)pdm09  None  [330]
Peru  A(H1N1)pdm09  None  [331]
Chile  IAV, H1N2  None  [332,333,334]