But the severity of illness among children amid Omicron wave seems lower than with Delta.

The US will begin moving away from describing people as "fully vaccinated".

"Suffering a mysterious illness for years has been a battle no one really understood."

Much of Asia has largely managed to keep Omicron at bay even as the variant rages.

Unvaccinated pregnant people are five times more likely to have a premature baby.

From January 17, children aged 5 to 11 will be able to be vaccinated against Covid.

It is still too early to know if Omicron is a more mild disease or not, expert says.

The Covid pill reduced hospitalisations and deaths by 89 per cent among high-risk adults.

Research in South Africa has revealed some serious concerns into the variant.

Health Ministry investigating after a man had 10 doses of the Pfizer vaccine in one day.

Mandate will cause problems for the district's mayor, Sandra Goudie.

Approval granted to give teens a third dose as Omicron variant circulates.

Pharma claims booster increases people's levels of antibodies by 25-fold.

Ninety per cent of the eligible population across Tāmaki Makaurau is now fully vaccinated.

Some seniors are feeling nervous ahead of an anticipated spike in visitors .

Rory James Nairn, 26, died at the home he shared with his fiancee.

The hoarding of limited shots by rich countries threatens the whole world.

Health officials hope the deal could help to end the pandemic sooner.

Greens' new Covid-19 voice, Elizabeth Kerekere, wants Māori children prioritised for jab.

A video animation has shown in striking simplicity how the mRNA vaccine works.

Mayor slams "crass and stupid" protests, while new cases confirmed in Taranaki and Taupō.

There are 93 people in hospital with Covid, nine of whom are in ICU or HDU.

All DHB staff must have received at least one dose by this Tuesday.