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Dengue fever is a mosquito-borne disease caused by dengue virus, prevalent in tropical and subtropical areas. It is frequently asymptomatic; if symptoms appear they typically begin 3 to 14 days after infection.
Over the last twenty years, there has been a geographic spread of the disease. Dengue incidence rates have risen sharply within urban areas which have recently become endemic hot spots for the disease. [57] The recent spread of Dengue can also be attributed to rapid population growth, increased coagulation in urban areas, and global travel.
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]
Dengue can be dangerous, causing high fever, headache, body aches, nausea and rash, per the World Health Organization. In severe cases, it can be fatal. In severe cases, it can be fatal. What can ...
Dengue can also be transmitted via infected blood products and through organ donation. [21] [22] In countries such as Singapore, where dengue is endemic, the risk is estimated to be between 1.6 and 6 per 10,000 transfusions. [23] Vertical transmission (from mother to child) during pregnancy or at birth has been reported. [24]
Anti-D (Rh) can cross the placenta during pregnancy and attack an unborn child's RBCs if they are D (Rh) positive causing haemolytic disease of the newborn. In an emergency, blood grouping can be done easily and quickly in 2 or 3 minutes in the laboratory on glass slides with appropriate reagents, by trained technical staff.
The National Hurricane Center said Wednesday it is continuing to track a system in the Caribbean that could strengthen into Hurricane Sara by next week.
The 2024 World Chess Championship is set to kick off this week, a showdown between 18-year-old Gukesh Dommaraju of India and reigning champion Ding Liren of China.