It's basically the same vaccine used against smallpox. Here's how it works — and whether researchers think it's playing a role in the fact that the current outbreak is starting to slow down.
The most recent data from the Georgia Department of Public Health show 82% of monkeypox cases affect Black men who have sex with men. Of these, roughly two-thirds are also infected with HIV.
The Biden administration is allowing the shot to be given between layers of skin — a method that only requires a fifth of the full dose — in order to increase vaccinations and slow the outbreak.