In Africa, people who got the smallpox vaccine in the past had a lower risk of monkeypox.
In Africa, people who got the smallpox vaccine in the past had a lower risk of monkeypox.
在非洲，以前得过猴痘的人患猴痘的风险较低。
In Africa, people who got the smallpox vaccine in the past had a lower risk of monkeypox.
在非洲，以前得过猴痘的人患猴痘的风险较低。