- US coronavirus deaths topped 100,000 this week as the nation continues to grapple with inconsistent state policies and protocols and a lack of scientific leadership.
- Following a rush to reopen their economies, several states are seeing spikes in coronavirus cases, according to the latest New York Times case counts and a Reuters report.
- Although experts believe the increases are partially the result of more testing, social distancing protocols were disregarded in numerous localities during the long Memorial Day weekend.
- The CDC released guidance for US businesses planning to reopen.
- Sweeping changes include ventilation checks and hazard assessment, reconfigured employee workspaces, and temperature checks.
- Antibody testing remains problematic.
- The CDC has explained that even in the nation’s hardest hit areas, likely low COVID-19 prevalence rates of more false-positives and fewer false-negatives.
- E.g., with a prevalence of 5%, a single test with 90% sensitivity and 95% specificity will have positive predictive value of only 48.6%, no better than a coin toss.
- On the heels of non-peer-reviewed data showing increased mortality rates, the US Department of Veterans Affairs has ratcheted down its use of hydroxychloroquine to treat veterans with COVID-19, according to the Washington Post.