The BMJMenstrual Changes After COVID-19 Vaccination

This BMJ editorial examines whether approaches better equipped to compare rates of menstrual variation in vaccinated versus unvaccinated populations are needed, based on the reports of changes to periods and unexpected vaginal bleeding after vaccination. The US has taken the first step, earmarking $1.67M from the National Institutes of Health to encourage research.

The BMJThe Curious Case of the Danish Mask Study

The British Medical Journal’s executive editor, Kamran Abbasi, pens a commentary about DANMASK-19, the first trial of mask use during COVID-19 and its controversial “negative” results. Abbasi claims that disagreement among experts, especially about interpretation of a study, is a common occurrence and “the usual business of science,” but the influence of social media has […]

The BMJCOVID-19: Do Many People Have Pre-Existing Immunity?

In this feature from the British Medical Journal (BMJ), associate editor Peter Doshi explores the emerging research on immunological responses to COVID-19. Is it true that the human population had no pre-existing immunity to SARS-CoV-2? The article attempts to answer this question with a deeper discussion around herd immunity, T cells, antibodies, and more.