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A Russian medical worker adminsters a shot of Russias experimental Sputnik V coronavirus vaccine in Moscow, Russia. Russian health authorities have launched advanced trials of the vaccine among 40,000 volunteers, a randomized, placebo-controlled study. (AP)

US approves extra COVID vaccine for those with weak immune systems

FDA determined that transplant recipients and others with a similar level of compromised immunity can receive a third...

13 Aug 2021 12:38 PM IST

In this photo, a nurse reaches for a vial of Pfizer-BioNTech Covid-19 vaccine at a pop up vaccine clinic. (Photo: AFP)

Pfizer vaccine for kids may not be available until November

The company said Tuesday it provided health regulators with data from a recent study of its vaccine in children 5 to 11...

29 Sept 2021 9:16 AM IST

A nurse prepares a dose of the Pfizer-BioNTech vaccine against COVID-19 at the Cecilia Rivadeneira Foundation in Quito. (Photo: AFP)

FDA backs Pfizer COVID-19 boosters for seniors, high-risk

Under the FDA authorization, vaccinated Americans are eligible for a third dose six months after receiving their second...

23 Sept 2021 9:20 AM IST

When the researchers tested the sera of 20 participants who received the Pfizer-BioNTech vaccine they found that it could act against the engineered coronavirus variants. (Photo:AFP)

Pfizer says COVID-19 vaccine works in kids ages 5 to 11

The vaccine made by Pfizer and its German partner BioNTech already is available for anyone 12 and older

20 Sept 2021 6:06 PM IST

A nurse prepares a dose of the Pfizer-BioNTech vaccine against COVID-19 at the Cecilia Rivadeneira Foundation in Quito. (Photo: AFP)

80 per cent COVID-19 immunity lost in 6 months in some after Pfizer...

The research studied blood samples of 120 nursing home residents and 92 health care workers

6 Sept 2021 12:15 PM IST

A nurse prepares the Pfizer-BioNTech Covid-19 vaccine for children for distribution. (Photo: AFP)

Pfizer CEO says Omicron-targeted vaccine to be ready by March

Bourla said Pfizer could be ready to file for U.S. regulatory approval for a redesigned vaccine and launch it as soon as...

11 Jan 2022 10:31 AM IST

In this file photo taken on December 15, 2021, the Pfizer Covid-19 vaccine awaits administration at a vaccination clinic in Los Angeles, California. (Photo: AFP)

Three doses of Pfizer Covid vaccine better than two: Study

During the study period, the predominant variant was Delta and not Omicron

15 Feb 2022 6:18 PM IST