Can dengue return?

Reinfection. There are numerous strains of dengue virus and reinfections occur with regularity. Second or more infections with this virus can be increasingly severe producing hemolytic anemia and dengue shock syndrome with devastating consequences. Stay safe.

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Can dengue return? After having the severe one

Dengue. Absolutely. There are 5 different serotypes of this flavivirus and infection with one may not confer immunity to the others. Reinfection may create dengue hemorrhagic fever, a the life-threatening condition resulting in bleeding, low levels of blood platelets and blood plasma leakage, or into dengue shock syndrome, where dangerously low blood pressure occurs. Read more...
See Below. Agree with Dr. Fowler. In fact a second infection can be more severe.
Wish you good health!