Booster Shot

Booster Shot

A vial of the Pfizer vaccine against the coronavirus disease (Covid-19) is seen as medical staff are vaccinated at Sheba Medical Center in Ramat Gan, Israel December 19, 2020. REUTERS/Amir Cohen/File Photo

Pfizer to seek US authorisation for Covid booster shot

"The Pfizer vaccine is highly active against the Delta variant"

File Photo

Top scientists question the need for Covid-19 booster shots

Moderna booster increases antibodies against Covid-19 variants, early data shows

Moderna booster increases antibodies against Covid-19 variants, early data shows

FILE PHOTO: Vials labelled "COVID-19 Coronavirus Vaccine" and a syringe are seen in front of the Pfizer logo in this illustration taken February 9, 2021. REUTERS/Dado Ruvic/Illustration/File Photo

Pfizer-BioNTech testing booster of their Covid-19 vaccine in new trial