Preliminary results from German serological study of exactly the kind we need (N=509 so far) thelocal.de/20200402/how-g… reveals that 14% of sample had antibodies for COVID19 & an additional 2% had current infection. Death rate of 0.37% found (I'm not sure yet if this is IFR or CFR).
And here is the (preliminary) study, in German, courtesy of @JacksonWharf land.nrw/sites/default/… There are very valuable parameters here, in this representative serological survey from one hard-hit region of Germany, giving us a sense of the attack rate and the CFR of COVID19.
Blood tests show 14% of people are now immune to covid-19 in one town in Germany technologyreview.com/2020/04/09/999… via @antonioregalado @techreview
