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Increasing global temperatures wrought by greenhouse gas emissions have boosted the number of dengue cases, new research shows. Climate change could broaden global reach of dengue fever Skip to ...
Dengue can be fatal. [52] [53] Dengue fever is spread by the bite of the female mosquito known as Aedes aegypti. The female mosquito is a highly effective vector of this disease. [54] The evidence for the spread of dengue fever is that climate change is altering the geographic range and seasonality of the mosquito that can carry dengue.
California last week clocked its fourth case of locally transmitted dengue fever this year — an alarming rise in a sometimes-deadly disease that experts fear could be fueled by climate change.
Because dengue is transmitted through pesky, flying insects, the best way to prevent catching the disease is to avoid mosquito bites. That can be done by wearing insect repellent, or opting to ...
Most people recover within a week or so. In about 5% of cases, symptoms worsen and can become life-threatening. This is called severe dengue (formerly called dengue hemorrhagic fever or dengue shock syndrome). [21] [23] Severe dengue can lead to shock, internal bleeding, organ failure and even death. [24]
Dengue is transmitted by several species of mosquito within the genus Aedes, principally A. aegypti. The virus has four different types; infection with one type usually gives lifelong immunity to that type, but only short-term immunity to the others. Subsequent infection with a different type increases the risk of severe complications.
Dengue is typically spread through infected female Aedes aegypti (Egyptian tiger) mosquitoes that thrive in stagnant water, passing from one person to another through mosquito bites. The disease ...
Epidemic dengue has become more common since the 1980s. By the late 1990s, dengue was the most important mosquito-borne disease affecting humans after malaria, with around 40 million cases of dengue fever and several hundred thousand cases of dengue hemorrhagic fever each year. Significant outbreaks of dengue fever tend to occur every five or ...