Monkeypox mostly spreads before symptoms appear, study suggests

Monkeypox mostly spreads before symptoms appear, study suggests

“The median serial interval was estimated to be shorter than the incubation period, which indicates considerably greater pre-symptomatic transmission than previously thought,” the study said.

Fifty-three per cent of the cases were transmitted before the person had any monkeypox symptoms, the study estimated.

Transmission was detected a maximum of four days before symptoms set in, it added.

Monkeypox symptoms include fever, muscular aches and large boil-like skin lesions.

Boghuma Kabisen Titanji, a virus expert at Emory University in the United States who was not involved in the study, said the “robust analysis” was “interesting and convincing”.

“This needs confirmation by more studies but has implications for vaccination-based disease elimination strategies which should be seriously considered,” she said.

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