Thursday, March 25, 2010

History of Dingi Virus or historical background of Dingi or Dengue virus

The origins of the chat dengue are not clear, but one approach is that it is acquired from the Swahili byword "Ka-dinga pepo", acceptation "cramp-like access acquired by an angry spirit". The Swahili chat "dinga" may possibly accept its agent in the Spanish chat "dengue" acceptation captious or careful, which would call the amble of a being adversity the cartilage affliction of dengue fever. Alternatively, the use of the Spanish chat may acquire from the similar-sounding Swahili. Slaves in the West Indies who apprenticed dengue were said to accept the aspect and amble of a dandy, and the ache was accepted as "Dandy Fever".

The aboriginal almanac of a case of apparent dengue agitation is in a Chinese medical album from the Jin Dynasty (265–420 AD) which referred to a “water poison” associated with aerial insects. The aboriginal accustomed Dengue epidemics occurred about accompanying in Asia, Africa, and North America in the 1780s, anon afterwards the identification and allotment of the ache in 1779. The aboriginal accepted case address dates from 1789 and is by Benjamin Rush, who coined the appellation "breakbone fever" because of the affection of myalgia and arthralgia.

The viral analysis and the manual by mosquitoes were alone deciphered in the 20th century. The socioeconomic appulse of World War II resulted in added advance globally (see aswell Dengue epidemiology). Nowadays, about 2.5 billion people, or 40% of the world’s population, reside in areas area there is a accident of dengue manual (see amount 1). Dengue advance to added than 100 countries in Asia, the Pacific, the Americas, Africa, and the Caribbean.

Figure 1. Boilerplate anniversary amount of dengue agitation (DF) and dengue hemorrhagic agitation (DHF) cases appear to WHO and boilerplate anniversary amount of countries advertisement dengue (Source: World Bloom Organization).

Possible factors for dengue agitation advance include:

Unplanned burghal bottleneck of areas arch to bare apartment and accessible bloom systems (water, sewerage and decay management)

Poor agent control, e.g., brackish pools of baptize for mosquito breeding

Climate change and viral change (increased virus manual has been affiliated to El Nino conditions)

Increased all-embracing biking (recreational, business or military) to ancient areas

All of these factors accept to be addressed to ascendancy the advance of dengue. Unplanned urbanization is believed to accept had the better appulse on ache addition in alone countries, admitting biking is believed to accept had the better appulse on all-around spread.


Post a Comment

  © Blogger template AutumnFall by 2008

Back to TOP