Dengue is transmitted to people by feminine Aedes mosquitoes. These mosquitoes carry the dengue virus (DEN), which contains 4 distinct serotypes (DEN-1, DEN-2, DEN-3 and DEN-4) and belong to the Flaviviridae household. The dengue mosquito generally chunk throughout daytime or earlier than nightfall.
The affected person contaminated with dengue virus begins exhibiting signs inside 3 to 14 days. The primary symptom consists of high-fever adopted by physique ache. Fever could also be accompanied regularly with extreme sweating and complications. Some sufferers even expertise ache behind the eyes, which is called retro-orbital ache in medical phrases. Nausea, vomiting, fatigue, rashes on face and limbs, delicate bleeding and low blood stress are different signs of dengue. In acute instances, decreased urine output and breathlessness can also hassle the sufferers.