A malaria vaccine with live parasites shows promise in a small trial

In a one-two punch, a malaria vaccine in development pairs a shot of the live parasite that causes the disease with a whammy of infection-fighting drugs to immediately quell it.

The candidate is the latest vaccine to show promise against a formidable foe, bolstering hopes that an effective shot might be on the horizon. Malaria, a disease caused by the parasite Plasmodium falciparum, affects more than 200 million people around the world every year. In 2019, an estimated 409,000 people died from the mosquito-borne disease, 67 percent of whom were children younger than 5.

The live parasite vaccine and drug combo showed 87.5 percent efficacy in a small group

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