Scientists still don't have all the answers about the coronavirus–and that's a sign of progress

Scientists still don't have all the answers about the coronavirus–and that's a sign of progress
Seven months into the pandemic, U.S. government officials and scientists still disagree over basic safety guidance on the coronavirus. People are still disregarding key public health advice. And we are still seeing leading public health organizations revise their understanding of the SARS-CoV-2 coronavirus, which causes COVID-19.