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 ...

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 ...

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 ...

New COVID-19 cases are on the rise in most states as the highly contagious Omicron subvariant spreads nationwide.

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

This would be a third dose for healthy children and a fourth dose for children ... kids out of the hospital. While not at the same levels as during the Omicron wave, Covid-19 cases among children ...

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 ...

The Philippines has detected Omicron BA.4 subvariant from a Filipino who flew in from the Middle East last May 4.In an ...