- September 1, 2021
- Posted by: admin1
- Category: DPN Topics
Subject – Science and Tech
Context – 40 die of suspected dengue in Firozabad.
- Dengue is a vector-borne disease transmitted by the bite of an infected female Aedes Aegypti mosquito.
- This mosquito also transmits chikungunya, yellow fever and Zika infection.
- Aedesaegypti is a daytime feeder. The peak biting periods are early in the morning and in the evening before dusk.
- There are 4 serotypes of the virus that causes dengue. These are known as DEN-1, DEN-2, DEN-3, DEN-4.
- The symptoms of the disease will begin anywhere between three to fourteen days after the initial infection.
- The symptoms include:
- High fever
- Muscle and joint pains
- Skin Rash
- Diagnosis of dengue infection is done with a blood test.
- There is no vaccine or specific medication for dengue fever. Patients should seek medical advice, rest and drink plenty of fluids.
- Dengue cannot be spread directly from person to person. However, a person infected and suffering from dengue fever can infect other mosquitoes.
- Most cases occur in tropical areas of the world, including the Indian subcontinent, Southeast Asia, Southern China, Taiwan, the Pacific Islands, the Caribbean, Mexico, Africa, Central and South America.
- WHO estimates 39 crore dengue virus infections per year, of which 9.6 crore show symptoms.