The researchers have argued that offering people an Omicron-adapted booster shot may be more beneficial than multiple ones ...

Previous SARS-CoV-2 infection impacts on the ability to boost immunity ... concern is that omicron could potentially mutate further into a more pathogenic strain or become better able to overcome ...

If you haven’t gotten a booster shot following your “full vaccination” with the Moderna or Pfizer-BioNTech vaccines against ...

Subvariants BA.4, BA5 are ultra-contagious and capable of reinfecting those who have survived earlier Omicron infection ...

With immunity waning and the super-contagious omicron family of variants getting better at dodging protection, the Food and ...

Regulators told COVID-19 vaccine makers that booster shots tweaked for the fall require added protection against newer ...

There are warnings new COVID-19 variants arriving in New Zealand could create a wave of cases. Modelling by The Institute of ...

The strains are of particular concern because they are not only especially contagious but also capable of reinfecting those who have survived earlier omicron infection.

Researchers assessed the impact of pre-existing immunity on mRNA booster doses of BNT162b2 and mRNA-1273 vaccines against ...

The US Food and Drug Administration's independent Vaccines and Related Biological Products Advisory Committee voted Tuesday ...

A booster shot lifted omicron-neutralizing immune activity to the detectable range in 86% of nursing home residents and in 93 ...