Correctional facilities present unique challenges to slowing spread of #COVID19. As of April 28, a total of 420 correctional facilities reported 4,893 COVID-19 cases among detained or incarcerated people & 2,778 cases among facility staff. More @CDCMMWR: https://t.co/SJ0XLj5YGO https://t.co/lSNTwBNFMC