A doctor administers a dose of the monkeypox vaccine on Saturday in London.

A doctor administers a dose of the monkeypox vaccine on Saturday in London. / Getty Images

The World Health Organization on Saturday declared the monkeypox outbreak a public health emergency.

"I have decided that the global #monkeypox outbreak represents a public health emergency of international concern," WHO Director-General Tedros Adhanom Ghebreyesus said.

This is a breaking news story and will be updated.

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Tags: monkeypox  World Health Organization