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.

Diseases, Conditions, Syndromes

WHO: 2nd COVID booster for most vulnerable offers benefits

An expert group convened by the World Health Organization says there may be some benefit in giving a second booster dose of coronavirus vaccine to the most vulnerable people amid the continuing global spread of omicron and ...

Pediatrics

Vaccine effectiveness modest for children, teens during Omicron

During Omicron predominance, the estimated vaccine effectiveness (VE) of the BNT162b2 two-dose vaccination among children and adolescents was modest and decreased rapidly, according to a study published online May 13 in the ...

Diseases, Conditions, Syndromes

Scientists explain what makes COVID-19 antibody 'J08' so potent

Last year, scientists at Scripps Research and Toscana Life Sciences studied the blood of 14 COVID-19 survivors to find the most potent antibodies against the SARS-CoV-2 virus. One of the leading molecules that emerged—now ...

Diseases, Conditions, Syndromes

Smell, taste loss less likely with newer COVID variants: Study

Since the early days of the pandemic, loss of smell and taste have been tied to COVID-19 infection. But a new study shows those telltale traits are much less likely with the Omicron variant than the earlier Alpha and Delta ...

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