What do we know about the resurgence of mpox in Africa?

Cases of mpox, formerly known as monkeypox, have been detected in Sweden and Pakistan, just days after the World Health Organization declared a global health emergency in response to the resurgence of cases in Africa. The current outbreak is centered on the Democratic Republic of Congo, where the disease has killed more than 500 people since the beginning of the year. Here is what we know about the new, more infectious mpox strain so far.