Health
Dengue will ‘take off’ in southern Europe, US, Africa this decade, WHO scientist says
Dengue fever will become a major threat in the southern United States, southern Europe and new parts of Africa this decade, the WHO’s chief scientist said, as warmer temperatures create the conditions for the mosquitoes carrying the infection to spread.
The illness has long been a scourge in much of Asia and Latin America, causing an estimated 20,000 deaths each year. Rates of the disease have already risen eight-fold globally since 2000, driven largely by climate change as well as the increased movement of people and urbanization, Reuters reported.
Many cases go unrecorded, but in 2022 4.2 million cases were reported worldwide and public health officials have warned that near-record levels of transmission are expected this year. Bangladesh is currently experiencing its worst-ever outbreak, with more than 1,000 deaths.
“We need to talk much more proactively about dengue,” Jeremy Farrar, an infectious diseases specialist who joined the World Health Organization in May this year, told Reuters.
“We need to really prepare countries for how they will deal with the additional pressure that will come… in the future in many, many big cities.”
Farrar previously spent 18 years working in Vietnam on tropical diseases including dengue. He later headed up the Wellcome Trust global health charity and advised the UK government on its COVID-19 response before joining the WHO in May this year.
Farrar said the infection is likely to “take off” and become endemic in parts of the United States, Europe and Africa – all regions where there has already been some limited local transmission – as global warming makes new areas hospitable to the mosquitoes that spread it. That will put acute pressure on hospital systems in many countries, he warned.
“The clinical care is really intensive, it requires a high ratio of nurses to patients,” he said. “I really worry when this becomes a big issue in sub-Saharan Africa.”
Most people who get dengue do not have symptoms, meaning case rates are thought to be far higher than the reported numbers. Those who do can experience fever, muscle spasms and joint pain so severe it is known as “break-bone fever.” In severe cases – less than 1% – it can be fatal.
There is no specific treatment for dengue, although there is a vaccine available. Earlier this week, the WHO recommended Takeda Pharmaceuticals’ Qdenga vaccine for children aged 6 to 16 in areas where the infection is a significant public health problem.
Qdenga is also approved by the EU regulator, but Takeda withdrew its application in the United States earlier this year, citing data collection issues. Takeda said it was still in talks with the U.S. Food and Drug Administration about the vaccine.
Preparing new regions of the world to deal with dengue means ensuring that any public health funds get spent in the right areas, Farrar said, including on the best way to control the mosquito.
Dengue is spread by infected Aedes aegypti mosquitoes, which behave differently to the malaria-carrying kind. For example, they bite people indoors, and they bite all day rather than overnight. They also breed in very shallow water.
Farrar said proper prevention would include triaging plans for hospitals as well as scientific innovation alongside other key factors, such as urban planning, to avoid areas of standing water near or in houses.
“We need to combine different sectors that are not used to working together,” he said.
Noor Jalal Jalali, Minister of Public Health of Afghanistan, held a meeting in Kabul with representatives of the World Health Organization, UNICEF, the World Bank, the Asian Development Bank, the European Union, the UK Foreign, Commonwealth and Development Office (FCDO), and other international organizations.
According to the ministry’s statement, representatives of these international organizations discussed the delivery of health and development services, improving the management of aid and resources in the health sector, integrating health facilities and aligning them with the new policy, providing health services in accordance with the Ministry of Public Health’s policy, strengthening the immunization and vaccination sector, delivering services based on priorities, and ensuring sustained coordination.
During the meeting, Jalali stressed the need for transparency and attention to the ministry’s priorities in order to enhance the effectiveness and impact of health services. He added that the delivery of health services must be carried out in line with the ministry’s policy and through better management of existing international assistance.
Referring to vaccination campaigns, he stated that the recent measles and polio vaccination campaign had been implemented very successfully, and emphasized that necessary preparations should be made for upcoming campaigns.
He also provided information regarding the review of the BPHS and EPHS health packages and the establishment of a standardized system through technical committees.
In this meeting, Edwin Ceniza, the WHO Representative for Afghanistan, reaffirmed the organization’s continued cooperation with the Ministry of Public Health and expressed appreciation to the ministry’s leadership for their tireless efforts to improve the health system.
Representatives of these organizations pledged to maintain effective and sustained coordination and to provide their services within the country in accordance with the policies and principles of the Ministry of Public Health.
Abdul Wali Haqqani, Deputy Minister for Health Services at the Ministry of Public Health of the Islamic Emirate of Afghanistan (IEA), has departed for Turkey on an official visit accompanied by a high-ranking delegation.
According to a statement released by the Health Ministry on Wednesday, the trip aims to acquire new health-sector expertise, assess Turkish medical and scientific institutions, meet with Turkish health and government officials, and strengthen bilateral cooperation.
During the visit, the delegation is scheduled to meet representatives from both public and private health sectors to support improvements in Afghanistan’s healthcare system and enhance coordination between the two countries, the statement added.
Health
Polio vaccination drive launches across 17 Afghan provinces
Officials say routine vaccination remains the most effective tool for eliminating polio and have urged families to fully cooperate with health teams during the campaign.
The Ministry of Public Health has announced the launch of a major anti-polio vaccination campaign, set to begin on Monday across 17 provinces of Afghanistan.
According to Sharafat Zaman, spokesperson for the ministry, the nationwide initiative will target 7.4 million children under the age of five, delivering vaccines door-to-door to prevent the spread of the poliovirus and safeguard children’s health.
Officials say routine vaccination remains the most effective tool for eliminating polio and have urged families to fully cooperate with health teams during the campaign.
This effort forms part of the government’s ongoing strategy to protect Afghanistan’s next generation from preventable diseases and strengthen public health across the country.
This comes after the World Health Organization (WHO) recently again classified the global spread of poliovirus as a Public Health Emergency of International Concern (PHEIC), warning that the disease remains endemic in only two countries — Afghanistan and Pakistan.
The decision followed the 43rd meeting of the Polio Emergency Committee under the International Health Regulations (IHR), which convened on 1 October 2025.
According to the Committee, Afghanistan reported four new wild poliovirus type 1 (WPV1) cases so far this year, compared to 24 in Pakistan.
The Afghan cases were detected in the country’s southern and eastern regions, where transmission remains intense despite ongoing vaccination efforts.
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