COVID

Scientists in Thailand have established that a tabby passed SARS-CoV-2 to a veterinary surgeon—although such cases of cat-to-human transmission are probably rare

The model, which uses machine learning to track the fitness of different viral strains, accurately predicted the rise of Omicron’s BA.2 subvariant and the Alpha variant

Tracking how misinformation campaigns begin and amplify can give scientists tools to combat them

The success of vaccines has reduced the pool of people available for studies, among other factors

An advisory committee voted unanimously to recommend authorizing the Moderna and Pfizer shots for the youngest children

But smarter communications from health agencies can improve the road ahead

Lessons from HIV/AIDS and SARS-CoV-2/COVID for harm reduction

Upgrading buildings’ ventilation, filtration and other factors would not only decrease COVID transmission but also improve health and cognitive performance in general

The death rate among unvaccinated people is still far higher than that among the vaccinated even though vaccinated people now make up a significant proportion of deaths

Results from a large study suggest that vaccines offer less protection against lingering symptoms than expected

Government or company-wide mandates give businesses cover for policies perceived as political

Experts address when the youngest children could be eligible for the shots, why that has taken so long, and more