The World Health Organization (WHO) has warned that cases of dengue fever could reach record highs this year.
Dengue rates are rising globally, with reported cases since 2000 up eight-fold to 4.2 million in 2022, a WHO official said on July 21.
In January, the WHO claimed that dengue is the world’s fastest-spreading tropical disease and alleged it could be a “pandemic threat.”
The disease was found in Sudan’s capital Khartoum for the first time on record, according to a health ministry report in March, while Europe has reported a surge in cases and Peru declared a state of emergency in most regions.
About half of the world’s population is now at risk, Raman Velayudhan, a specialist at the WHO’s control of neglected tropical diseases department, told journalists in Geneva on Friday.
Cases reported to the WHO hit an all-time high in 2019 with 5.2 million cases in 129 countries, said Mr. Velayudhan via video link.
This year the world is on track for “4 million plus” cases, depending mostly on the Asian monsoon season. Already, close to 3 million cases have been reported in the Americas, he said, adding there was concern about the southern spread to Bolivia, Paraguay, and Peru.
Argentina, which has faced one of its worst outbreaks of dengue in recent years, is sterilizing mosquitoes using radiation that alters their DNA before releasing them into the wild.
“The American region certainly shows it is bad and we hope the Asian region may be able to control it,” Mr. Velayudhan said.
Officials in the European Union said that as of June 8, 2023, some 2.1 million cases have been reported around the world, with 974 deaths.
“Dengue is occurring in urban areas where it did not exist before,” Coralith Garcia, associate professor at the school of medicine at Cayetano Heredia University in Peru, told Fox News this week. The virus is on the rise in Peru because “it’s so crowded that anything can happen,” she added.
“But Peru had the highest COVID mortality rate [in] the world and now we have several patients dying of dengue, confirming that the Peruvian health system is very weak,” Ms. Garcia said.
What Is Dengue?
Dengue fever can be caused by the dengue virus 1, 2, 3, or 4, according to the U.S. Centers for Disease Control and Prevention (CDC). The illness is transmitted primarily via the Aedes aegypti mosquito, which the CDC says is active during the day.
The most common symptom of dengue is a fever with nausea, vomiting, rash, aches, and pains, including eye pain, muscle pain, and bone pain. Symptoms generally last between two and seven days, the CDC says.
There is no specific medicine to treat dengue, which is sometimes called breakbone fever. The CDC notes that most cases of dengue reported in the United States occurred in people who traveled elsewhere, although the isolated spread of dengue has occurred in Arizona, Hawaii, Texas, and Florida.
Most patients who contract dengue fever recover without hospitalization, said Dr. David O. Freedman, a former professor with the University of Alabama at Birmingham.
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