Another article mentioned the H1N1 flu, which at first appeared much more deadly than other strains because it was the severe cases that were being counted. Once researchers could go back and find the mild cases, it turned out to be about the same as the typical seasonal flu.
A decade since jumping to humans, H1N1 has essentially become just another seasonal flu.
Covid-19 is somewhere in between a cold and SARS, but as mentioned above, we're still trying to figure out where.
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