Dengue fever, which is transmitted to humans through the bites of infected mosquitoes, is becoming more widespread around the world. The World Health Organization (WHO) has registered more than five million cases of dengue, including cases of dengue, including 5,000 deaths. The largest number of cases cases are in Central and South America. But the increase in dengue cases dengue has already been recorded in Asia and Africa, UNN reports .
Details
At a press briefing Dr. Diana Rojas Alvarez, head of the WHO's arboviruses, said the threat requires "maximum attention and response at all levels" of the health organization, as it is necessary to help countries control the current to help countries control current dengue outbreaks and and prepare for the next season. She also noted that the rise in global temperatures global temperature is contributing to the growth of the population of mosquitoes that transmit the virus.
Climate change affects dengue transmission by increasing rainfall, humidity and temperature. These mosquitoes are very sensitive to temperature .
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For reference
Dengue is is the most common viral infection transmitted to humans through the bites of infected mosquitoes. mosquitoes. It occurs mainly in urban areas in tropical and subtropical climates.
The World Health Organization (WHO) reported that more than five million cases of dengue fever, including 5,000 deaths, which increases the risk of the disease spreading due to the effects of of climate change.
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Where are the most vulnerable regions
The following people are at risk of dengue infection about 4 billion people. It should be noted that most infected people do not have symptoms and usually recover within one to two weeks, but it is noted that a person can become infected a second time and develop hemorrhagic fever dengue, which is much more serious.
The largest number of cases of severe dengue fever by mid-2023 was was registered in the following countries: Brazil (1249 cases), Peru (701 cases), Colombia (683 cases), Bolivia (591 cases) and Mexico (141 cases). During the same same period, 1302 deaths were reported in the region, with a case fatality rate (CFR) OF 0.04%.
The same picture of dengue cases was recorded in Asia and Africa.
Dengue fever has reached Europe.
The expert also also warned that local cases of dengue transmission have been detected in previously non-endemic countries, including in Europe, such as Italy (82 cases in 2023), France (43), Spain (3). ), France (43) and Spain (3).
Typically, cases in these countries are found in travelers arriving from the Americas, East Asia and other endemic regions, but this year there have been some limited outbreaks of local transmission
Now the WHO has now decided to raise the risk of dengue fever to "maximize attention and response to support countries and control current and future outbreaks that coincide with periods of heat and humidity. with periods of heat and humidity.
Recall
UNN reported that the World Health Organization has warned about this year's number of of dengue fever cases this year: it is likely to reach a near-record levels, partly due to global warming, which favors the mosquitoes that spread it.
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