Dengue haemorrhagic fever: questions of pathogenesis

Dengue haemorrhagic fever

Factors increasing the risk of DHF outbreaks The occurrence of DHF outbreaks is linked to a number of factors, including the density of mosquito vectors, particularly that of Aedes aegypti. The precise population density of Ae. aegypti that is needed to sustain dengue virus transmission epidemically or endemically has yet to be determined, but experience in Singapore in recent years suggests th...

Dengue haemorrhagic fever

The two basic methods for establishing a laboratory diagnosis of dengue infection are detection of the virus (e.g. culture) or detection of anti-dengue antibodies (serology). Until recently, detection of the virus implied solely the recovery of the virus by culture; however, current procedures can detect dengue virus RNA and specific dengue virus antigens. Consequently, these procedures are lik...

Dengue haemorrhagic fever

Dengue & Dengue Haemorrhagic Fever in Bangladesh

Dengue (pronounced as 'Dhen Gey') is a mosquito borne febrile viral illness. Since its first recognition during the last quarter of eighteenth century, periodic outbreak has been reported from both developed and developing countries with Asia always remaining the area of highest endemicity Until the middle of 20th century dengue was regarded as self-limited, non-fatal febrile illness with occas...

Dengue haemorrhagic fever: recent advances.

Diseases caused by the dengue viruses comprise of the classical form of dengue fever (DF) and the more severe dengue haemorrhagic fever (DHF) sometimes accompanied by the dengue shock syndrome (DSS). These diseases continue to pose an important public health threat in many parts of the tropical world 3 2 . In recent years, DF outbreaks have occurred in India (1982) and Northern Australia (1981)...