Pfizer-BioNTech Begins Clinical Trial of Omicron-Targeted Vaccine It's still unclear whether an Omicron-specific vaccine is needed. By Sissi Cao
Merck’s Groundbreaking COVID-19 Pill Triggers Global Vaccine Stock Sell-Off But doctors warn that Merck's COVID-19 pill isn't a replacement for vaccines. By Sissi Cao
Here’s Who Should Get a 3rd Pfizer Shot According to the CDC’s Latest Recommendation CDC Director Dr. Rochelle Walensky endorsed a third Pfizer shot to more Americans despite advisor opposition. By Sissi Cao
Moderna Vaccine Is Better Than Pfizer-BioNTech at Tackling Delta Variant, US Study Found By Sissi Cao