Trial: Dengue Shot Offers Some Protection

By MARIA CHENG, AP Medical Writer, San Francisco Chronicle: World
Thu, 07/10/2014 - 11:40pm

LONDON (AP) — The most advanced vaccine for dengue only offers modest protection but could still help millions of people avoid the devastating effects of the disease known as "breakbone fever," according to a large trial. Results from an early trial of the vaccine in 2012 found the vaccine's efficacy was 33 percent and that it failed to protect against one type of dengue; there are four distinct kinds and the vaccine is meant to fight all of them. Some scientists worry the antibodies from a dengue vaccine might have the same effect and say vaccinated children should be monitored for several years.

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Topics:  london ap     the   results   trial   dengue   offers   protection   vaccine   
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