PRO/AH/EDR> COVID-19 update (396): tracking superspread, Europe 2nd wave, WHO, global

COVID-19 — United States
Abstract
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SARS-CoV-2 has caused a severe, ongoing outbreak of COVID-19 in Massachusetts with 111 070 confirmed cases and 8 433 deaths as of [1 Aug 2020]. To investigate the introduction, spread, and epidemiology of COVID-19 in the Boston area, we sequenced and analyzed 772 complete SARS-CoV-2 genomes from the region, including nearly all confirmed cases within the 1st week of the epidemic and hundreds of cases from major outbreaks at a conference, a nursing facility, and among