Diseases, Conditions, Syndromes

Thousands of Covid-negative Beijing residents sent to quarantine

Thousands of Covid-negative Beijing residents were relocated to quarantine hotels overnight due to a handful of infections, as the capital begins to take more extreme control measures resembling virus-hit Shanghai.

Diseases, Conditions, Syndromes

COVID in South Africa: What to expect in the short and long term

In light of the approaching winter months combined with the recent lifting of the national disaster act, South Africans have anxiously been watching an increase in COVID infections. The Conversation Africa spoke to infectious ...

Diseases, Conditions, Syndromes

COVID booster needed for broad protection against omicron variants

A COVID-19 booster shot will provide strong and broad antibody protection against the range of omicron sublineage variants of the SARS-CoV-2 virus in circulation, two new studies using serum from human blood samples suggest.

Diseases, Conditions, Syndromes

A third of US should be considering masks, officials say

COVID-19 cases are increasing in the United States—and could get even worse over the coming months, federal health officials warned Wednesday in urging areas hardest hit to consider reissuing calls for indoor masking.

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

Germany OKs more COVID-19 vaccine spending for this fall

Germany plans to spend another 830 million euros ($872 million) to buy new coronavirus vaccines that will allow the country to deal with a series of possible variants this fall, the health minister said Wednesday.

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