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This is Scientific Americans' 60-second science.

I'm Karen Hopkins. This will just take a minute.

Getting malaria stinks. Literally. According to a new study, malaria victims give off odors that attract mosquitoes. The insects that feed on the infected sufferer are then more likely to spread the disease.

The work appears in the proceedings of the National Academy of Sciences.

Malaria is caused by plasmodium parasites, which are transmitted by mosquitoes. A decade ago,

scientists found that Kenyan kids infected with plasmodium were more attractive to mosquitoes

than were kids who were parasite-free. But they didn't know what drew the bloodsuckers to the infected

children. To find out, researchers took mice that harbored the rodent version of malaria

and put the animals in a wind chamber,

and they found that mosquitoes flocked toward the infected animals

attracted by their smell alone.

By chemically analyzing the animal scents,

the researchers found that the parasites boost the level of a variety of odorous compounds that attract mosquitoes.

So plasmodium is manipulating both its victim and its carrier to get itself spread far and wide.

The finding may help with malaria prevention.

If we can mask or harness the ode to infection, maybe we could nose the mosquitoes away from people.

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