Philipp Koellinger
PKoellinger
1/4 Interesting: A wet lab study from Germany suggests that some degree of limited background immunity against #COVID19 may exist in the population (~1/3 of their healthy donor sample) due
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1/ New #COVID19 data from Germany, from a rep pop sample in one of the regions that is most heavily affected (Heinsberg) suggest ~15% of pop was already infected and
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