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
Coronavirus chronicle

Pfizer to seek US authorisation for Covid booster shot

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

File Photo
Coronavirus chronicle

Top scientists question the need for Covid-19 booster shots

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

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
Coronavirus chronicle

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