RAPID CITY, S.D. (KEVN) - There’s been a lot of talk recently about COVID-19 variants.
In South Dakota, we’ve seen the United Kingdom, South African, and most recently, the Brazilan variant.
These come to be, according to Doctor Shankar Kurra with Monument Health, because when a virus enters the body it replicates itself millions of times causing an infection.
Kurra says every time it multiplies, there’s a chance for the virus to make mistakes.
He says that a virus is like a chain that has thirty thousand beads, and each bead has a chance to change when it multiplies.
He says every time one of those beads change, it’s called a mutation.
However, Kurra says that not all mutations are equal. That only those that have significant changes, and cause a virus to be more infectious, are labeled as variants.
”It only changes ten to fifteen out of thirty thousand. So, that’s not even one-percent. It’s one hundred thousandth, or a ten thousandth, of a percent change. That’s not really a change,” says Kurra.
Kurra says that scientists are only looking for mutations on a specific link in that chain, one that has 3 thousand beads instead of thirty thousand making it more rare.
He says that vaccination will stop the virus altogether, by not giving it the chance to breed high risk mutations.
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April 25, 2021 at 06:38AM
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COVID-19 mutations and variants, where do they come from? - KEVN Black Hills Fox
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