Covid-19 Variants


Pfizer and BioNTech submit Omicron booster EUA application to US FDA

By Rachel Arthur

Pfizer and BioNTech have completed their application to the US Food and Drug Administration (FDA) for Emergency Use Authorization (EUA) of a booster dose of their Omicron BA.4/BA.5-adapted bivalent COVID-19 vaccine: saying they stand ready to start shipping...


WHO issues latest recommendations for COVID-19 booster doses

By Rachel Arthur

The WHO has updated its advice on COVID-19 booster doses: including recommendations on which groups should receive a second booster shot and how countries should plan around the upcoming availability of variant-specific vaccines.


Positive booster data for Sanofi/GSK COVID-19 vaccine

By Rachel Arthur

A single booster dose of Sanofi and GSK’s recombinant adjuvanted COVID-19 vaccine candidate delivered ‘consistently strong immune responses’, according to data released by the companies.