Update June 11, 2020: Michigan coronavirus (COVID-19) cases up to 59,496; Death toll now at 5,738Of the nearly 5,000 sailors on the Roosevelt, 1,102 of them tested positive for COVID-19. About 350 sailors were left in isolation on the naval base after COVID-19 infected a fifth of the ships original crew. Crew members who reported trying to observe social distancing had an infection rate of 55 percent. Those that did not report social distancing had an infection rate of 70 percent. Captain Brett Crozier was among those who tested positive for COVID-19.

DETROIT Health officials continue to emphasize the need for accurate testing to identify people infected by the coronavirus. But research is calling the accuracy of some tests into question. Two recent papers are highlighting a need to re-examine the accuracy of the nasal swab PCR tests used to identify active infection with COVID-19. On the first day of infection after exposure the false negative rate was 100 percent. After that the false negative rate increased again from 21 percent on day 9 to 66 percent on day 21.