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The German doctor who saw COVID's invisible spread

Sam Baker | Conor Dillon | Gabriel Borrud
December 28, 2020

In late January 2020, a doctor in Munich made a startling discovery about COVID-19 with major implications. It ended up being one of the most important aspects of this emerging disease and, at least initially, one of the most controversial.

https://p.dw.com/p/3nHmo