From 2020: For thousands of years, a parasite with no name lived happily among horseshoe bats in southern China. Then it found a new species: ours.
in the first ten minutes. Still, the risk of infection has turned many of us, understandably, into germophobes.
All a virus wants is an endless chain of hosts. Contagion is the evolutionary end goal. Based on experiments so far, researchers estimate that-19 is slightly more communicable than the common flu and less communicable than the most highly infectious viruses, like measles, with which a single sick person can infect around twelve other people.
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