1/ The latest #COVID19 research roundup from @Reuters covers studies in @TrendsGenetics, @JAMANetwork, and @AnnalsofIM, and from @medrxivpreprint. reut.rs/31NqScw 
2/ In @TrendsGenetics, researchers from @Lacassagne_Nice say large-scale genetic screening to identify populations vulnerable to #COVID19 may well be possible. bit.ly/3fYZA7W
3/ At 17 #nursinghomes in France, staff members opted to live-in during the pandemic, and residents’ risk for #COVID19 went down dramatically, @jbelmin and colleagues in report @JAMANetwork. bit.ly/2Y3NlRo
4/ In China, with strict quarantines and mandatory mask-wearing, transmission of #COVID19 was still a problem within households, according to a report in @AnnalsofIM. bit.ly/2Y38ICt
5/ When #COVID19 occurs in the 3rd trimester of #pregnancy, the coronavirus does not appear to affect the microscopic structure of the #placenta, @WUSTLmed researchers reported on @medRxiv in advance of peer review. bit.ly/3gXi4an
