Top news
Biden receives second dose of coronavirus vaccine on camera
By Kate Sullivan
3 Bioethical Questions About COVID-19 Vaccines
By Rebecca Lynn Randall
Why You Should Still Wear A Mask And Avoid Crowds After Getting The COVID-19 Vaccine
By Joanne Silberner
All coverage
Pfizer, BioNTech Boost Vaccine Output Goal by More Than 50%
By Riley Griffin & Naomi Kresge
Brazil researchers now say China's Sinovac vaccine is 50% effective — lower than announced earlier
By Nee Lee & Yen Nee Lee
Doctor's Death After Getting the Covid-19 Vaccine Is Investigated
By Denise Grady & Patricia Mazzei
Sinovac: Brazil results show Chinese vaccine 50.4% effective
By Philippa Roxby
COVID vaccine: some waste is normal – but here's how it is being kept to a minimum
By Liz Breen & Sarah Schiffling