Setback for first malaria vaccine in African trial

Philanthropist Bill Gates, who helped fund the GSK vaccines development, said further research was now needed to see whether and how it might be used.”The efficacy came back lower than we had hoped, but developing a vaccine against a parasite is a very hard thing to do,” he said in a statement.Results from the final-stage trial with 6,537 babies aged six to 12 weeks showed the vaccine provided “modest protection”, reducing episodes of the disease by 30 percent compared to immunization with a control vaccine, researchers said on Friday.That efficacy rate a year after vaccination is less than half the 65 percent in an earlier trial in babies which analyzed protection rates after six months. It is also a lot less than the 50 percent rate seen in five to 17 month-olds.

via Setback for first malaria vaccine in African trial | Reuters.

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