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 ...

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 ...

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

India Latest news today? A day after INSACOG confirmed the presence of the BA.4 and BA.5 Omicron sub-variants of the ...

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

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

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 ...

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