What type of disease is dengue hemorrhagic fever?
Key facts. Dengue is a mosquito-borne viral infection, found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas. The virus responsible for causing dengue, is called dengue virus (DENV). There are four DENV serotypes, meaning that it is possible to be infected four times.
Is Dengue Hemorrhagic Fever a secondary infection?
Background: Dengue hemorrhagic fever (DHF) is considered to be associated with secondary dengue infection.
Can you survive dengue hemorrhagic fever?
The prognosis for dengue is usually good. The worst symptoms of the illness typically last one to two weeks, and most patients will fully recover within several additional weeks. Typical dengue is fatal in less than 1% of cases; however, dengue hemorrhagic fever is fatal in 2.5% of cases.
What causes dengue hemorrhagic fever?
Dengue fever is caused by any one of four types of dengue viruses. You can’t get dengue fever from being around an infected person. Instead, dengue fever is spread through mosquito bites. The two types of mosquitoes that most often spread the dengue viruses are common both in and around human lodgings.
When does dengue hemorrhagic fever happen?
Classic dengue fever, or “break bone fever,” is characterized by acute onset of high fever 3–14 days after the bite of an infected mosquito. Symptoms include frontal headache, retro-orbital pain, myalgias, arthralgias, hemorrhagic manifestations, rash, and low white blood cell count.
Is Second Time dengue always fatal?
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.
Is dengue deadlier than malaria?
Estimates by the WHO suggest that cases of Malaria-related deaths have grown to more than 435,000 people annually while Dengue has been identified as one of the most dangerous and fastest spreading mosquito-borne viral diseases in the world.
Does dengue virus stay in your body forever?
There is no human-to-human dengue fever transmission. Once a mosquito is infected, it remains infected for its life span.
Can dengue happen twice?
Yes, dengue can strike you again and again. You can get infected with dengue not once, twice but multiple times, with each subsequent infection being deadlier than the ones before.