Year | Country | Source |
---|---|---|
1963 | Somalia | [19] |
1968 | Southwest Guatemala | [22] |
1969 | Guatemala | [20,21] |
 | Salvador | [22] |
 | Honduras | [23] |
 | Mexico | [23] |
1970 | Costa Rica | [22] |
1972 | Bangladesh | [24] |
1973 | Coral Island (Bay of Bengal) | [25] |
1979 | Northeast Zaire | [24,26] |
 | Rwanda | [27] |
1980 | Burundi | [28] |
1981 | Tanzania | [31] |
 | Zaire | [32] |
1982 | Tanzania | [31] |
 | Burundi | [32] |
1984 | West Bengal, India | [33] |
 | Burma | [36] |
1986 | Thailand | [37] |
1988 | Iran | [38] |
1990 | Zambia | [40] |
1991 | Zambia | [39] |
1992 | Zimbabwe | [42] |
1992 | Swaziland | [43] |
1992 | Burundi | [44] |
1993 | Zimbabwe | [45] |
 | Mozambique | [46] |
 | Rwanda | [47] |
 | Burundi | [44] |
 | Sudan | [48] |
 | Sao Tome | [49] |
 | Uganda | [49] |
1994 | South Africa | [50–52] |
 | Mozambique | [50] |
 | Kwazulu Natal | [51] |
 | Kenya | [53] |
 | Rwanda | [54] |
 | DRC | [57] |
 | Zimbabwe | [55] |
1995 | Kenya | [60,61] |
 | South Africa | [62] |
 | Zimbabwe, Malawi, Mozambique | [55] |
1997 | South Africa | [63] |
 | Kenya, Somalia | [55] |
1999 | Sierra Leone | [66,67] |
 | Senegal | [65] |
2002 | Eastern India | [71] |