Dengue vaccine found to worsen disease symptoms

By Ben Tinker, CNN

Updated 1631 GMT (0031 HKT) December 5, 2017

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Dengue virus is carried by the Aedes aegypti mosquito, the same type that can spread Zika virus. A bite from a mosquito harboring the virus can result in headaches, rashes and severe joint pains. In serious cases, it can cause internal bleeding and death.
Photos: Dengue fever: How a mosquito infected millions
Dengue virus is carried by the Aedes aegypti mosquito, the same type that can spread Zika virus. A bite from a mosquito harboring the virus can result in headaches, rashes and severe joint pains. In serious cases, it can cause internal bleeding and death.
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There is no drug for dengue. Patients must be monitored carefully for the onset of the severe form of dengue. Pictured, a nurse looks after a patient with dengue at a hospital in Manila, Philippines.
Photos: Dengue fever: How a mosquito infected millions
There is no drug for dengue. Patients must be monitored carefully for the onset of the severe form of dengue. Pictured, a nurse looks after a patient with dengue at a hospital in Manila, Philippines.
Hide Caption
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