Sinovac COVID-19 shot with Pfizer booster less effective against Omicron – study December 31, 2021December 31, 2021
Two-dose vaccines induce lower antibodies against Omicron, study finds December 13, 2021December 13, 2021
Mixing Pfizer, AstraZ COVID-19 shots with Moderna gives better immune response -UK study December 7, 2021December 7, 2021
Brain problems found in 1% of hospitalized COVID-19 patients; real-world data shows Moderna vaccine highly effective December 2, 2021December 1, 2021
BioNTech CEO says vaccine likely to protect against severe COVID from Omicron November 30, 2021November 30, 2021