![[CREDIT: NIAID RML]An electron microscope image of the virus that causes COVID-19. A new, more contagious strain has begun circulating in Rhode Island. Officials advise renewed caution and mask upgrades.](https://e8dgfhu6pow.exactdn.com/wp-content/uploads/2021/02/COVID-19.jpg?strip=all&lossy=1&ssl=1)
[CREDIT: NIAID RML]An electron microscope image of the virus that causes COVID-19. A new, more conta...
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