Acam2000 is a new vaccine introduced for the prevention of smallpox in certain people at high risk for the disease. Smallpox was once eradicated with the advent of vaccines. However, because of the potential risk of the disease, some people still receive this vaccine.

Monkeypox has now appeared in many countries around the world, raising concerns about the next dangerous outbreak after COVID-19. We all know that smallpox was eradicated long ago thanks to the smallpox vaccine. So can smallpox vaccination prevent monkeypox?