Dengue Fever

How is dengue fever contracted?

The virus is contracted from the bite of a striped Aedes aegypti mosquito that has previously bitten an infected person. The mosquito flourishes during rainy seasons but can breed in water-filled flower pots, plastic bags, and cans year-round. One mosquito bite can cause the disease.

The virus is not contagious and cannot be spread directly from person to person. It is mosquito-borne, so there must be a person-to-mosquito-to-another-person pathway. The full life cycle of the virus involves the mosquito as the vector (transmitter) and the human as the source of infection.

What is the incubation period for dengue fever?

After being bitten by a mosquito carrying the virus, the incubation period for dengue fever ranges from three to 15 (usually five to eight) days before the signs and symptoms of dengue appear in stages. Continue Reading

5/10
Reviewed on 4/28/2016
Zika Virus Slideshow: A Quick Guide to the Zika Virus

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