The first-generation COVID-19 vaccines remain potent tools in protecting against severe COVID-19, but their effectiveness in protecting against infections from the SARS-CoV-2 has slipped as the virus evolves. While boosters improve protection, their effectiveness wanes over time. FDA today followed the lead of its independent Vaccines and Related Biological Products Advisory Committee (VRBPAC) in backing the […]
Omicron
Pfizer plans to share data on fourth dose of COVID-19 vaccine with FDA
COVID-19 vaccine heavyweight Pfizer (NYSE:PFE) will soon provide data related to the fourth dose of its COVID-19 vaccine, according to Bloomberg. The company and its partner BioNTech (Nasdaq:BNTX) are also developing an omicron-specific version of the vaccine. Pfizer CEO Dr. Albert Bourla said that the data to be shared with FDA involve the fourth dose of […]
Pfizer and Moderna keeping a close watch on Omicron COVID-19 variant
Pfizer (NYSE:PFE) and Moderna (NSDQ:MRNA) are planning to research their vaccines’ effectiveness against the highly mutated Omicron variant (B.1.1.529), which is behind a surge in infections in Johannesburg, South Africa. If needed, they plan to create new versions of their vaccines. The Omicron variant has more than 30 changes to the SARS-CoV-2 spike protein. “I […]