Dengue fever has grow to be a serious well being concern at present. Yearly wherever from 50 to 390 million persons are contaminated with the illness. The variety of dengue circumstances has risen dramatically because the Sixties. Right now, dengue is a worldwide well being concern and is endemic to greater than 110 nations. There isn’t a commercially obtainable vaccine for dengue and prevention is the one possibility. Preventive measures are directed at decreasing mosquito populations and limiting publicity to mosquito bites.
Dengue is attributable to the dengue virus. There are 5 serotypes of the virus. The primary 4 serotypes are known as DENV-1, DENV-2, DENV-3 and DENV-4. The virus is transmitted by aedes mosquitoes. The principal vector is the A. aegypti mosquito. Mosquitoes which unfold dengue usually chew in the course of the day, notably within the morning or night. A single chew can lead to an infection 심근경색산재.
Usually, a serious proportion of the folks contaminated with the dengue virus don’t current any signs or present delicate signs. Extreme sickness is noticed solely in 5% of the circumstances. The situation may be life threatening in a small proportion of the circumstances. The incubation interval for dengue is 3 to 14 days. Attribute signs of dengue embrace sudden fever, headache, eye ache, muscle and physique pains and a measles-like rash. Dengue fever is often known as ‘breakbone fever’ as a result of related muscle and joint pains.
The course of dengue is split into three phases: febrile, important and restoration. The febrile section lasts for 2 to seven days. Signs noticed on this section embrace excessive fever (above 40 C) and ache and headache. Nausea and vomiting may be skilled. In 50-80% of the circumstances, physique rashes are noticed.
In some circumstances, the illness progresses to the important stage. Throughout this era, plasma leakage happens resulting in fluid accumulation within the chest and stomach cavities. Depletion of fluid from the circulatory system and lowered blood supply to important organs may end result. Dengue shock syndrome and dengue hemorrhagic fever are noticed in lower than 5% of all dengue circumstances. The important section happens extra generally in kids and your adults.
Within the restoration section, reabsorption of leaked fluid takes place. A second rash could current within the restoration section. Fluid overload may happen and trigger lowered ranges of consciousness or seizures in some circumstances. The sensation of fatigue will final for weeks.
There aren’t any antiviral medicine to deal with dengue. Therapy is aimed toward sustaining correct fluid stability within the physique and offering reduction from the signs. Paracetamol is prescribed to manage fever and cut back discomfort. Oral or intravenous rehydration is used to take care of correct fluid stability. Blood transfusion is prescribed to stabilize hematocrit.
There aren’t any authorized vaccines for dengue. Nevertheless, work is ongoing on a vaccine and medicines that concentrate on the dengue virus instantly. Prevention is sought by decreasing mosquito populations by eliminating breeding grounds and utilizing pesticides and limiting publicity to bites utilizing mosquito repellents and protecting clothes.
