A molecule in mosquito spit has been identified as a potential new target for vaccination against a range of diseases for which there is no protection or medicine.
Jun 08, 2022
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Researchers at La Jolla Institute for Immunology (LJI) have found that Zika virus can mutate to become more infective—and potentially break through pre-existing immunity.
Apr 12, 2022
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Accurate home testing could be used for a wider range of illnesses, as new research shows the capability of smartphone-powered tests for Dengue Fever.
Apr 08, 2022
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An eight-gene model can help predict progression to severe dengue (SD), according to a study published online March 29 in Genome Medicine.
Apr 01, 2022
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Nearly three quarters of a million fewer global cases of dengue occurred in 2020, which could be linked to COVID-19 disruptions limiting human mobility and contact, according to a new study published in Lancet Infectious ...
Mar 02, 2022
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Software-analyzed high-resolution videos have revealed that dengue-infected mosquitos are more attracted to mammals and bite more often, tripling disease transmission opportunities.
Jan 13, 2022
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After a deadly second wave of COVID-19 overwhelmed hospitals in India earlier this year, the country is battling yet another viral outbreak. Hospitals are struggling to treat dengue, a viral disease that spreads through the ...
Dec 08, 2021
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Can the dengue virus be prevented using antiviral agents such as antibiotics or vaccines? Before considering that step, University of Florida scientists are taking a closer look at whether mosquito immune systems can be influenced ...
Dec 07, 2021
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Dengue, Chikungunya, and Zika viruses have all been recorded in Mexico; however, recent diagnostic advances have improved the accuracy of serological testing. A study publishing December 2nd in PLOS Neglected Tropical Diseases ...
Dec 02, 2021
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Cross-protective antibodies from dengue and Zika last far longer than previously thought, scientists have found in a massive study involving more than 4,000 children in Nicaragua.
Dengue fever (pronounced UK: /ˈdɛŋɡeɪ/, US: /ˈdɛŋɡiː/) and dengue hemorrhagic fever (DHF) are acute febrile diseases, found in the tropics, and caused by four closely related virus serotypes of the genus Flavivirus, family Flaviviridae. It is also known as breakbone fever. The geographical spread includes northern Australia, northern Argentina, and the entire Singapore, Malaysia, Taiwan, Thailand, Vietnam, Indonesia, Honduras, Costa Rica, Philippines, Pakistan, India, Sri Lanka, Bangladesh, Mexico, Suriname, Dominican Republic, Puerto Rico, Jamaica, Bolivia, Brazil, Guyana, Venezuela, Barbados, Trinidad and Samoa. Unlike malaria, dengue is just as prevalent in the urban districts of its range as in rural areas. Each serotype is sufficiently different that there is no cross-protection and epidemics caused by multiple serotypes (hyperendemicity) can occur. Dengue is transmitted to humans by the Aedes aegypti or more rarely the Aedes albopictus mosquito, which feed during the day.
The WHO says some 2.5 billion people, two fifths of the world's population, are now at risk from dengue and estimates that there may be 50 million cases of dengue infection worldwide every year. The disease is now epidemic in more than 100 countries.
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