Vaccination

Chile to give fourth COVID-19 vaccine dose

Chile will offer its citizens a fourth coronavirus vaccine dose from February, starting with high-risk categories, President Sebastian Pinera has announced.

Diseases, Conditions, Syndromes

France sets new daily COVID infections record

France set a new daily coronavirus infections record on Friday, registering 94,124 cases over 24 hours, the highest figure since the start of the coronavirus pandemic.

Diseases, Conditions, Syndromes

UK data suggests hospitalization is less likely with omicron (Update)

Preliminary data suggests that people with the omicron variant of the coronavirus are 50% to 70% less likely to be hospitalized than those with the delta strain, Britain's public health agency announced Thursday in a finding ...

Vaccination

AstraZeneca says booster jab effective against Omicron

British pharmaceutical giant AstraZeneca said Thursday that a third, or "booster", dose of its COVID-19 vaccine Vaxzevria "significantly" lifted antibody levels against the Omicron strain in a laboratory study.

Vaccination

Swiss cut COVID booster wait to four months

As concern swells over the highly transmissible coronavirus variant Omicron, Swiss authorities said Tuesday they were shortening the time people vaccinated against COVID need to wait before getting an additional dose.

Diseases, Conditions, Syndromes

New Zealand announces measures to keep out omicron variant

New Zealand will shorten the gap between second COVID-19 vaccine doses and boosters and push back the phased reopening of its borders in measures announced Tuesday to keep the omicron variant at bay.

Vaccination

Pfizer tests extra COVID shot for kids under 5 in setback

Pfizer said Friday it was changing plans and testing three doses of its COVID-19 vaccine in babies and preschoolers after the usual two shots didn't appear strong enough for some of the children.

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