Public Health

New coronavirus test could check one million people daily
Scientists analyze sewage to track coronavirus infections
Plasma from coronavirus survivors helps sick patients recover
Contact-tracing apps could help end coronavirus lockdown
Your new sex ed teacher is a chatbot
Bill Gates is spending billions to produce 7 coronavirus vaccines
Group coronavirus testing helps make most of limited kits
New tool seeks to protect those reusing coronavirus masks
Genetic evidence debunks coronavirus conspiracy theories, scientists say
Big tobacco announces "breakthrough" in plant-based coronavirus vaccine