New research exploring the roots of modern Japanese populations has linked the genetic signature of Jomon hunter-gatherers to a higher body mass index (BMI) among individuals, underlining that ancient ...

An FDA-approved vaccine for smallpox and mpox is effective but causes side effects. The other requires multiple doses. An experimental single-dose vaccine uses the horsepox virus to harness the ...

The BBC's news partner CBS says the vaccine-sceptic is expected to named to lead the Department of Health and Human services.