Objective To quantify the association between physical activity and risk of SARS-CoV-2 infection, COVID-19-associated hospitalisation, severe illness and death due to COVID-19 in adults. Design A ...

Data from around the world support the general safety of the COVID-19 vaccines. Some people online, however, incorrectly claim that illegally obtained data from New Zealand show the vaccines have ...

A document the Department of Health and Human Services distributed to members of Congress to justify recent changes to COVID-19 vaccine recommendations misrepresented scientific research to make ...