Exactly two months ago (Feb 26) I gave a talk at @EPFL_en about #SARSCoV2. Looking through the slides today, it’s striking how much we knew then already.

I would change very little - except to underline the importance of pre-symptomatic transmission even more!
Video: https://www.youtube.com/watch?v=mYTQI2DvAfo

Discussion">https://www.youtube.com/watch... on pre-symptomatic transmission around 36:00
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