expected reasons behind the spread of this covid-19 virus to human. plz answer
Answers
Answer:
The global outbreak of COVID-19, the disease caused by the coronavirus SARS-CoV-2, is approaching the end of its second month amid widespread confusion among members of the public about how the virus is transmitted.
“There’s a massive amount of education that clearly hasn’t reached the public about this stuff,” says Ian Mackay, a public health virologist at the University of Queensland who helped develop diagnostics for COVID-19 in Australia. As is the case for many aspects of COVID-19 biology, “there are a lot of knowledge gaps out there in the community.”
With researchers around the world working to understand the pathology of the disease and slow its spread, The Scientist rounded up the latest on what is and isn’t known about how the virus is transmitted from person to person.
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Explanation:
Viruses constantly change through mutation, and new variants of a virus are expected to occur over time. Sometimes new variants emerge and disappear. Other times, new variants emerge and persist. Multiple variants of the virus that causes COVID-19 have been documented in the United States and globally during this pandemic.
The virus that causes COVID-19 is a type of coronavirus, a large family of viruses. Coronaviruses are named for the crown-like spikes on their surfaces. Scientists monitor changes in the virus, including changes to the spikes on the surface of the virus. These studies, including genetic analyses of the virus, are helping scientists understand how changes to the virus might affect how it spreads and what happens to people who are infected with it.
Multiple variants of the virus that causes COVID-19 are circulating globally and within the United States. In collaboration with a SARS-CoV-2 Interagency Group (SIG), CDC established 3 classifications for the SARS-CoV-2 variants being monitored: Variant of Interest (VOI), Variant of Concern (VOC), and Variant of High Consequence (VOHC).