Research by Indian scientists has suggested that people infected with omicron after full immunisation with the AstraZeneca or Pfizer-BioNTech Covid-19 vaccines have significant immune responses that p...

Booster shots of the Pfizer-BioNTech and Moderna vaccines aren’t just preventing infections with the contagious Omicron variant —  they’re also keeping infected Americans from e...

Pfizer Inc and German partner BioNTech SE on Thursday said data from a Phase III trial demonstrated high efficacy of a booster dose of their Covid-19 vaccine against the virus, including the Delta var...

India's government will not buy COVID-19 shots from Pfizer/BioNTech and Moderna, three government sources told Reuters, mainly because domestic output of more affordable and easier-to-store vaccin...

Global pharma major Pfizer and BioNTech SE on Monday said trial results of COVID-19 vaccine showed that it is safe and produced robust neutralizing antibody response in children aged five to 11 years,...

The Delta variant of the SARS-CoV-2 virus, that causes Covid-19, is unable to evade the antibodies generated by vaccination, according to a lab study. The findings, published in the journal Immunity,...

A longer gap between first and second doses of the Pfizer-BioNTech COVID-19 vaccine generates strong antibody and T cell immune responses, UK researchers have found. The study, led by the University ...

Representatives of Pfizer met privately with senior US scientists and regulators on Monday to press their case for swift authorisation of coronavirus booster vaccines, amid growing public confusion ab...

As the Delta variant sweeps the world, researchers are tracking how well vaccines protect against it — and getting different answers. In Britain, researchers reported in May that two doses of t...

People who receive Covid-19 vaccines by Pfizer and Moderna are up to 91 per cent less likely to develop the disease, according to a US study which also suggests that the preventives reduce the severit...