SARS-CoV-2 might have originated in an animal and altered so it could cause sickness in people. In the previous, a number of infectious disease outbreaks have been traced to viruses originating in birds, pigs, bats and different animals that mutated to turn into harmful to humans. Research continues, and extra research might reveal how and why the coronavirus advanced to trigger pandemic illness.
For the disease involved within the ongoing COVID-19 pandemic, see COVID-19. For the virus that causes this disease, see Severe acute respiratory syndrome coronavirus 2. The first case of COVID-19 was reported Dec. 1, 2019, and the trigger was a then-new coronavirus later named SARS-CoV-2.
This information applies to frequent human coronaviruses and should not be confused with coronavirus disease 2019 . Coronaviruses are a household of viruses that can cause diseases such as the widespread cold, extreme acute respiratory syndrome and Middle East respiratory syndrome . … Read More