Quote:
Originally Posted by Oscarf164
Maybe you didn't know this, but every year is a new strain with mutations. One of the differences of this one is that is less deadly than most years.
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Maybe you didn't know this; but what you are referring to is the flu virus which most years is a new strain. The coronavirus is a new virus (first diagnosed in Wuhan, China in Dec. 2019) for which there isn't a vaccine, and against which humans don't have any built up immunity.