The latest results from a clinical trial in the U.K. show that a fourth dose of mRNA COVID-19 vaccines can boost antibody ...

A fourth-dose Covid jab might be on the cards for the general population after a UK trial found it increased protection ...

At the onset of the Omicron wave ... patients received their third dose and fourth dose at a median of 161 and 14 days, respectively. The authors did not observe a correlation between age with ...

The fourth dose, administered six months after the third, did not significantly lift the neutralizing antibody level against Omicron, although it still recalled the level to around the peak after ...

British Columbia health officials are still undecided on whether fourth vaccine doses will be made available to the general ...

The fourth dose of a Covid vaccine works extremely well but it might be better to delay rolling it out to younger, healthier ...

Most of the studies showing benefit have used boosters of the same type as the original series, so that’s also a perfectly good option ... and probably do not need a fourth dose.

Two new Omicron subvariants, BA.4 and BA.5, are spreading, and some countries have designated them as variants of concern.

British Columbia health officials are still undecided on whether fourth vaccine doses will be made available to the general population as immunity to COVID-19 wanes and the possibility of future, more ...

This week of May 22, 2022, we look at what another Omicron subvariant means for the Philippines' pandemic response, booster ...

A seemingly endless stream of “subvariants” of omicron, the most recent Greek-letter variant, has emerged in the past few ...

Real-world studies have shown waning vaccine effectiveness against both SARS-CoV-2 infection and COVID-19-related ...