Coronavirus

Doctors debate over using radiation therapy for COVID-19
New NFL mouth shield could protect players from COVID-19
How to explain falling COVID-19 mortality rates
"T cells" could provide immunity after antibodies fade
Bats may provide clues for treating COVID-19
Moderna’s COVID-19 vaccine produces more antibodies than infection
Study: Risk of death from COVID-19 is 45% lower on arthritis drug
Survivors’ plasma might prevent coronavirus infections
Engineers create reusable N95 mask out of rubber
Pandemic spurs search for alternatives to nursing homes