Vaccination

Why we need to talk openly about vaccine side effects

Concerns have been raised about the AstraZeneca and Johnson & Johnson vaccines regarding very rare but potentially fatal side effects related to low blood platelet counts and blood clots. Recently, reports also emerged that ...

Diseases, Conditions, Syndromes

Vaccine protection may diminish need for yearly boosters

Scientists have found clues that the world's leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations ...

Diseases, Conditions, Syndromes

Supercharged 'clones' spark scarlet fever's re-emergence

A University of Queensland-led team of international researchers says supercharged "clones" of the bacteria Streptococcus pyogenes are to blame for the resurgence of the disease, which has caused high death rates for centuries.

Diseases, Conditions, Syndromes

Chinese bus offers new evidence of airborne coronavirus spread: study

A person on a poorly ventilated Chinese bus infected nearly two dozen other passengers with coronavirus even though many weren't sitting close by, according to research published on Tuesday that offers fresh evidence the ...

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