Biology, 14.01.2021 01:00, mpgleboski

Why has coronavirus caused such spread around the world? * Because it is antibiotic-resistant
Because it only infects old people
Because it is new to humans and we have never been exposed to it
Because of Severe acute respiratory syndrome, the original coronavirus never made it to the US

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Why has coronavirus caused such spread around the world? * Because it is antibiotic-resistant
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