However, cross-immunity to the other serotypes after recovery is only partial, and temporary. Dengue is often a leading cause of illness in areas with risk. Dengue fever is among the most widespread vector-borne infectious diseases. History of Dengue The origins of the word dengue are not clear, but one theory is that it is derived from the Swahili phrase "Ka-dinga pepo", meaning "cramp-like seizure caused by an evil spirit". The earliest account of a denguelike disease comes from the Jin dynasty (265–420 ce) in China. The earliest record of dengue comes from a Chinese medical encyclopedia dating back to 992 BC [ 14 ]. Herein we show how the comparative analysis of gene sequence data has shed light on the origin and spread of dengue virus, as well as on the evolutionary processes … Dengue is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. albopictus.These mosquitoes are also vectors of chikungunya, yellow fever and Zika viruses. After this incubation period, the early physical symptoms caused by the disease are felt. Dengue history. Dengue Virus Disease: From Origin to Outbreak provides a detailed accounting of one of the world's fastest growing infections. aegypti or Ae. According to the World Health Organization, Dengue virus incidence has increased 30-fold over the past 50 years, with up to 50 to 100 million infections occurring annually in over 100 endemic countries.

The emergence of dengue hemorrhagic fever in most tropical countries has made its control a public health priority, but no vaccines or treatments exist. When a mosquito bites a person infected with a dengue virus, the virus enters the mosquito. Dengue fever is caused by any one of four types of dengue viruses spread by mosquitoes that thrive in and near human lodgings. Dengue viruses are spread to people through the bite of an infected Aedes species ( Ae.

Dengue virus (DENV) belongs to the family Flaviviridae and the genus Flavivirus and has four different serotypes (DENV1-4) [1, 2].This pathogen is an enveloped virus with icosahedral symmetry and a diameter of approximately 50 nm [3, 4]. Kenya, dengue virus 2, evolution, origin, phylogenetics.

According to the World Health Organization, Dengue virus incidence has increased 30-fold over the past 50 years, with up to 50 to 100 million infections occurring annually in over 100 endemic countries. DF is an arboviral disease caused by dengue virus (DENV). Primary dengue infections outnumbered secondary infections, suggesting recent emergence. Dengue is common in more than 100 countries around the world. Dengue virus-related PNS involvement is due to an autoimmune reaction to the virus, inducing GBS or Miller Fisher syndromes (representing 30% of the neurological complications of Dengue virus infection); these forms are similar to the classical GBS.

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