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DRC records 581 suspected mpox deaths

The Democratic Republic of the Congo (DRC) has recorded a growing outbreak of mpox cases linked to sexual transmission, the World Health Organisation (WHO) said last week – the country's first outbreak defined by sexual transmission, with several early documented cases seen in sex workers.

The agency said the outbreak probably resulted from a Belgian man who travelled to the DRC in March and tested positive for the disease shortly after arrival.

He reported visiting several underground sex clubs for men who have sex with men (MSM) during his trip, even when he was symptomatic. A total of 27 contacts of the man were identified, and six were tested for mpox, with five sexual contacts testing positive, reports CIDRAP.

The initial cluster of cases is the first documented sexual transmission of mpox clade 1. It is also the first described transmission of mpox clade 1 among men who have sex with men.

There are two clades of mpox, with clade 1, the Congo Basin clade, known to be more virulent and deadly, with case-fatality rates of up to 10%.

Last year, the global mpox outbreak among primary MSM outside of Africa was caused by clade 2, which is rarely fatal. That outbreak caused roughly 91 000 cases, the vast majority being sexually transmitted.

Case-fatality rate of 4.6%

From 1 January until 12 November this year, 85% of DRC provinces have reported 12 569 suspected mpox cases, including 581 suspected deaths (case-fatality rate, 4.6%).

“This is the highest number of annual cases ever reported, with new cases in geographic areas that had previously not reported mpox, including Kinshasa, Lualaba, and South Kivu,” the WHO said.

“Cases with travel history to endemic provinces have been driving chains of human-to-human transmission in non-affected provinces.”

In war-torn South Kivu, 80 suspected and 34 confirmed cases – including 20 involving sex workers – have been reported.

Doctors and virologists said that what is happening in the DRC could be happening across Africa, with the more deadly clade 1 virus now being spread sexually.

Homosexuality is punished by law in many nations, forcing MSM to operate covertly and under-report illness.

So far the DRC has received no doses of Jynneos, the mpox vaccine that has contributed to far fewer cases in North America and elsewhere in 2023.

Global outbreak slows

This past weekend, the WHO also posted its monthly global mpox situation report, noting that low level transmission continues in Europe and the Americas, while greater transmission is under way in the Western Pacific and Southeast Asia.

In the global outbreak that began last spring in the United Kingdom, a total of 91 788 lab-confirmed cases and 167 deaths have been reported. In October, a total of 668 new cases were reported, a 23% decline from the number of new cases reported during the previous month.

The countries with the most cases remain the United States, Brazil, Spain, France, Colombia, Mexico, the United Kingdom, Peru, Germany, and China.




CIDRAP article – Mpox hits DR Congo hard as officials note sexual spread, 581 deaths (Open access)


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