Immunology

'Natural immunity' from omicron is weak and limited, study finds

In unvaccinated people, infection with the omicron variant of SARS-CoV-2 provides little long-term immunity against other variants, according to a new study by researchers at Gladstone Institutes and UC San Francisco (UCSF), ...

Diseases, Conditions, Syndromes

UK to end all COVID-19 travel rules ahead of Easter break

Britain's government said Monday all remaining coronavirus measures for travelers, including passenger locator forms and the requirement that unvaccinated people be tested for COVID-19 before and after their arrivals, will ...

Diseases, Conditions, Syndromes

About 16% of couples are divided on COVID-19 vaccination

A small but significant portion of couples contain one partner who is vaccinated against COVID-19 and another partner who is not, a Washington State University survey has found. Reasons for not getting the shot also differed ...

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