What is dengue virus Wikipedia?

Dengue virus (DENV) is the cause of dengue fever. It is a mosquito-borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus. Four serotypes of the virus have been found, a reported fifth has yet to be confirmed, all of which can cause the full spectrum of disease.

What is the difference between dengue and Covid 19?

Dengue viruses are spread to people through the bites of infected mosquitoes, mainly Aedes aegypti mosquitoes. The virus that causes COVID-19 is thought to spread mainly through respiratory droplets produced when an infected person coughs, sneezes, or talks.

What is stage1 dengue?

Stage I:Acute fever stage.(~Day 1-5). At this phase the patients have high fever (39-40 degree Celsius) with aching, abdominal pain, nausea, vomiting. Anti-pyritic such as paracetamol is important to lower body temperature in order to provide the body minimizes fluid loss.

How is dengue formed?

When a mosquito bites a person infected with a dengue virus, the virus enters the mosquito. Then, when the infected mosquito bites another person, the virus enters that person’s bloodstream and causes an infection.

Can dengue happen twice?

Once a person has been infected with one strain, their body will build up an immunity to only that strain of the virus. This means that a person can become infected with dengue fever another 3 times in their life. Moreover, each dengue fever reinfection is much more dangerous than the previous infection.

How long does dengue immunity last?

After recovering from a first dengue infection, a person is protected from infection with the remaining three dengue serotypes for two to three months. Unfortunately, it is not long-term protection, and after that short period, a person can be infected with any of the remaining three dengue serotypes.

How many days platelets decrease in dengue?

Even though there is a poor correlation of bleeding with platelet counts, it is a major scare for both the public and the physicians during a confirmed epidemic, and is often the reason for hospitalization, generally at the nadir of platelet counts (4-7 days after onset of fever)(2),(3).