Nearly a year has passed since COVID-19 became known worldwide. Since then, researchers have discovered much about the virus and have made progress combating it. Here are the most important points.
Source link : https://www.dw.com/en/what-do-we-know-about-the-coronavirus/a-54078531?maca=en-rss-en-all-1573-rdf
Publish date : 2020-12-23 12:00:00
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