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Previous major outbreaks of viruses with cross-species transmission.
| Disease | Year | Host | Country |
|---|---|---|---|
| SWINE FLU/H1N1 | 1919 | Pig | Uncertain |
| HIV/AIDS | 1920 | Chimpanzee, Monkey | Democratic Republic of the Congo |
| EBOLA | 1976 | Monkey | Sudan and Zaire* *Currently DRC |
| BIRD FLU | 1997 | Water fowl | Hong Kong |
| SARS | 2002 | Civet cat | China |
| MERS | 2012 | Camel | South Arabia (Multiple Countries) |
| SARS-CoV-2 | 2019 | ? (Rat: Primary host Intermediate host: Pangolin) | China |
