The World Health Organization announced on Wednesday that the growing spread of mpox in Africa has been classified as a global health emergency, cautioning that the virus could potentially cross international borders.
WHO Director-General Tedros Adhanom Ghebreyesus announced the decision following a meeting of the U.N. health agency’s emergency committee. On Tuesday, the Africa Centers for Disease Control and Prevention also declared mpox a public health emergency across the continent.
WHO said there have been more than 14,000 cases and 524 deaths in Africa this year, which already exceed last year’s figures.
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So far, more than 96% of all cases and deaths are in a single country — Congo. Scientists are concerned by the spread of a new version of the disease there that might be more easily transmitted among people.
Here’s a look at what we know about mpox, and what might be done to contain it:
What is mpox?
Mpox, or monkeypox, was first discovered in 1958 during outbreaks of a “pox-like” illness in monkeys. For a long time, most human cases occurred in central and West Africa, typically among people who had close contact with infected animals.
In 2022, the virus was confirmed to spread via sex for the first time and triggered outbreaks in more than 70 countries across the world that had not previously reported mpox.
Mpox belongs to the same family of viruses as smallpox but causes milder symptoms like fever, chills and body aches. People with more serious cases can develop lesions on the face, hands, chest and genitals.
What’s happening in Africa that’s causing all this concern?
Cases have surged significantly. According to the Africa CDC last week, mpox has now been identified in at least 13 African countries. Compared to the same time last year, cases have risen by 160% and deaths have gone up by 19%.
Earlier this year, scientists reported the emergence of a new form of mpox in a Congolese mining town that can kill up to 10% of people and may spread more easily.
Unlike in previous mpox outbreaks, where lesions were mostly seen on the chest, hands and feet, the new form of mpox causes milder symptoms and lesions on the genitals. That makes it harder to spot, meaning people might also sicken others without knowing they’re infected.
WHO said mpox was recently identified for the first time in four East African countries: Burundi, Kenya, Rwanda and Uganda. All of those outbreaks were linked to the epidemic in Congo. Tedros said there was concern for the further spread of the disease within Africa and beyond.
Health authorities in the Ivory Coast and South Africa have reported outbreaks of a milder and less dangerous strain of mpox, which spread globally in 2022.
What does an emergency declaration mean?
The WHO’s emergency declaration aims to motivate donor agencies and countries to take action, but the global response to past declarations has been inconsistent.
Africa CDC Director General Dr. Jean Kaseya said the agency’s declaration of a public health emergency was meant “to mobilize our institutions, our collective will and our resources to act swiftly and decisively.” He appealed to Africa’s international partners for help, saying that the escalating caseload in Africa had largely been ignored.
“It’s clear that current control strategies aren’t working and there is a clear need for more resources,” said Michael Marks, a professor of medicine at the London School of Hygiene and Tropical Medicine. “If a (global emergency declaration) is the mechanism to unlock these things, then it is warranted,” he said.
What’s different about the current outbreak in Africa compared to the 2022 epidemic?
During the global outbreak of mpox in 2022, gay and bisexual men made up the vast majority of cases and the virus was mostly spread through close contact, including sex.
Although some similar patterns have been seen in Africa, children under 15 now account for more than 70% of the mpox cases and 85% of deaths in Congo.
Ahead of its emergency meeting, Tedros said officials were dealing with several mpox outbreaks in various countries with “different modes of transmission and different levels of risk.”
“Stopping these outbreaks will require a tailored and comprehensive response,” he said.
Greg Ramm, Save the Children’s Congo director, said the organization was particularly worried about the spread of mpox in the crowded camps for refugees in the east, noting there were 345,000 children “crammed into tents in unsanitary conditions.” He said the country’s health system was already “collapsing” under the strain of malnutrition, measles and cholera.
Dr. Boghuma Titanji, an infectious diseases expert at Emory University, said it was unclear why children were so disproportionately hit by mpox in Congo. She said it might be because kids are more susceptible to the virus or that social factors, like overcrowding and exposure to parents who caught the disease, might explain it.
How might mpox be stopped?
The 2022 outbreak of mpox in dozens of countries was largely shut down with the use of vaccines and treatments in rich countries, in addition to convincing people to avoid risky behaviour. But barely any vaccines or treatments have been available in Africa.
Marks, of the London School of Hygiene and Tropical Medicine, said that immunization would likely help — including inoculating people against smallpox, a related virus.
“We need a large supply of vaccine so that we can vaccinate populations most at risk,” he said, adding that would mean sex workers, children and adults living in outbreak regions.
Congo has said it’s in talks with donors about possible vaccine donations and has gotten some financial aid from Britain and the U.S.
WHO had already released $1.45 million from its emergency fund to support the response to mpox in Africa, but said it needs an initial $15 million to fund that response.
Last Updated on August 16, 2025 by Samuel Kwame Boadu
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Samuel Kwame Boadu is a Ghanaian media entrepreneur and storyteller with a passion for amplifying urban voices and uncovering everyday truths. He is the Editor-in-Chief and Founder of Accra Street Journal, a dynamic digital platform dedicated to capturing the pulse of Ghana’s capital—its people, culture, challenges, business, sports and innovations.
