I meant a variety of different corona viruses that have not yet the ability to replicate in humans. Corona virus is a family of viruses. SARS-2 one that made it he jump from animals to humans.
In the United States, many variants of the new coronavirus have been detected, and the types of these viruses are more complex than those found in China.
I'm not sure the source of that chart. The viruses contained in the Coronavirus category aren't even the SARS-CoV-2 that we call COVID. They list 4 strains, all of which are the regular circulating strains of coronavirus. I'd say this is not accurate at all.
FEIW, there are at least four common coronaviruses (229E, NL63, OC43, and HKU1) that humans transmit, and based on the CDC's language there are other less common ones.
well, at least with the different coronavirus strains, they are similar enough that getting one is effectively like an immunisation against all the other strains. Now you could probably get two strains simultaneously if you were independently infected separately by both at the same time. Delta, however, isn't quite common enough for that to be likely I think.
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