The virus that causes Covid-19 is so tiny that it can only be viewed through an electron microscope. Scientists have been studying what the virus does to our cells. Here’s what they've discovered so far

The virus that causes Covid-19 is so tiny that it can only be viewed through an electron microscope. Scientists have been studying what the virus does to our cells. Here’s what they've discovered so far https://t.co/fHH05ie8x0 pic.twitter.com/vEUjO6mHfn

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