How the U.S. could address confusing, shifting COVID-19 health directives
Two years since the first lockdown in China, there have been great strides to combat COVID-19, but confusion and questions remain. From vaccinations to testing, to masking and how many days to isolate--there hasn't always been clarity. More collaboration between the CDC and the FDA would help, says Joshua Sharfstein, professor at the Bloomberg School of Public Health at Johns Hopkins University. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders