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Dengue virus is most frequently transmitted by the bite of mosquitos in the Aedes genus, particularly A. aegypti. [32] They prefer to feed at dusk and dawn, [33] but they may bite and thus spread infection at any time of day. [34] Other Aedes species that may transmit the disease include A. albopictus, A. polynesiensis and A. scutellaris.
The total number of dengue fever cases in the U.S. is now more than double the number recorded all of last year, federal data shows. More than 6,800 cases of dengue have been reported nationally ...
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 ...
Dengue virus (DENV) is the cause of dengue fever.It is a mosquito-borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus. [1] [2] Four serotypes of the virus have been found, and a reported fifth has yet to be confirmed, [3] [4] [5] all of which can cause the full spectrum of disease. [1]
The CDC issued an alert to health care providers and officials about the ongoing spread of dengue cases. In New Jersey, the CDC has reported 41 cases contracted abroad, 20 of them concentrated in ...
A female mosquito that takes a blood meal from a person infected with dengue fever becomes itself infected with the virus in the cells lining its gut. About 8–10 days later, the virus spreads to other tissues including the mosquito's salivary glands and is subsequently released into its saliva. The virus seems to have no detrimental effect on ...
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.
NS1 antigen test (nonstructural protein 1) is a test for dengue, introduced in 2006. It allows rapid detection on the first day of fever, before antibodies appear some 5 or more days later. [1] It has been adopted for use in some 40 nations. The method of detection is through enzyme-linked immunosorbent assay.