A Monkeypox outbreak has been reported in several European countries, two cases in Canada and one confirmed case in a man from Massachusetts.
What's going on? Monkeypox, a relative to smallpox, is a rare disease thought to be limited to two regions in Africa and has two main types: the Central African strain, which has a fatality rate of up to 10%, and the West African strain, which has a fatality rate of around 1%. The cases in question are believed to be the less fatal West African strain.
