Monkeypox has spread to more than a dozen countries including several in Europe, the US, and Canada. The smallpox vaccine is 85% effective against monkeypox, but no longer widely available. The CDC ...

Matthew Newman, a 33-year-old from Bethesda, first checked his upper arm to see if he had received the smallpox vaccine as a child. Then, just to be sure the indentation he saw was really a scar from ...

IF YOU had a smallpox vaccination as a child and think you're still protected, think again. Almost everyone vaccinated before smallpox was eradicated in the mid-1970s has now lost their immunity. The ...

We examined the association between a history of smallpox vaccination and immune activation (IA) in a population of antiretroviral therapy-naïve people living with HIV (PLHIV). A cross-sectional study ...