COVID Timeline

Let's talk about notable events during the history of COVID. You can read more about COVID at the WHO Hub Page.

Last Update: Fri, November 28, 2025 at 10:59 AM

New Covid virus found in wild Brazilian bats

The discovery of a ‘furin cleavage site’ suggests the mutation which helps the virus adapt to humans is naturally occurring

Brazil, Standard, Coronavirus, Global Health Security, Scientific research, Bats, South America, Science & Disease, Science & DiseaseReadArchived

Genetic sequencing of the virus – which was not isolated but studied digitally – shows it carries a furin cleavage site similar to that found in Sars-Cov-2.