Evidence had emerged suggesting the highly infectious Omicron variant has the ability to escape the protection two vaccine doses offer. So,...

The study will have 1,420 subjects, with three cohorts examining different regimens of the current Pfizer-BioNTech Covid vaccine or an Omic...

The study will have 1420 subjects, with three cohorts examining different regimens of the current Pfizer-BioNTech COVID vaccine or an Omicr...

Pfizer's CEO Albert Bourla has previously said that the pharmaceutical giant could be ready to file for regulatory approval of the shot by ...

A vaccine targeting Omicron will increase immunity to the variant on both an individual and population level.

Large outbreaks are ongoing across Europe and North America and cases are also rising in many other countries. Omicron has now reached most...

A vaccine focused directly on the Omicron variant would also guard against breakthrough infections of a strain that has proven highly conta...

The findings compiled in a report by the UK Health Security Agency (UKSHA) show significantly higher protection provided by third vaccine d...

However, the study found that a third dose of the Pfizer vaccine, and mixing Pfizer and AstraZeneca preventives may protect well against th...

The researchers from Columbia University in the US and the University of Hong Kong noted that a striking feature of Omicron is the alarming...

The overall threat posed by Omicron largely depends on three key questions -- its transmissibility; how well the vaccines and prior SARS-Co...

Despite the lowered effectiveness of vaccines against omicron, it is clear that vaccines do work and are among the greatest public health a...

The findings, published in the journal Emerging Microbes & Infection, also suggest that although a third-dose of vaccines can “significantl...

BioNTech and Pfizer said on Wednesday a three-shot course of their COVID-19 vaccine was shown to generate a neutralising effect against the...

The Pfizer COVID-19 vaccine provides less immunity against Omicron than from other coronavirus variants, according to a lab study that sugg...

The worst-case scenario is the virus has mutated so much in the crucial parts of its genome that it can escape vaccines designed to protect...

"Given the collection of mutations in Omicron, which earlier individually have been associated with increased infectivity and/or immune eva...