Table 1.
Prevalence of Influenza viruses in swine populations worldwide.
| 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] |