When a dengue infection becomes more severe, it could turn into dengue hemorrhagic fever and dengue shock syndrome, which can be fatal.

Since there are four different types of dengue virus, a person can get infected with any or all of these viruses. Once you’re infected with one serotype of virus, you may develop immunity against it, but you continue to be at risk of contracting the other strains. That said, studies suggest that being infected with different dengue strains can make a person more prone to dengue hemorrhagic fever.

Read more: Dengue hemorrhagic fever: All you need to know about this rare complication

If and when you develop dengue hemorrhagic fever (DHF), your body may go into a shock. Dengue Shock Syndrome (DSS) is the last stage of a severe dengue infection that can result from excess bleeding, circulatory system failures, fluid accumulation and more. Symptoms include abdominal pain, nausea, headaches, frequent vomiting, bleeding under the skin and more.

Plasma leakage is also a differentiator between a mild and a severe dengue. It is when a protein rich, fluid component of the blood leaks from the blood vessels, making the body go into a shock.

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