Atlas Identifies Regions of Worm Infections

A new medical atlas, called This Wormy World, will document the best knowledge of the locations and varieties of parasitic worm infections, which should lead to better treatment allocation. Cynthia Graber reports

Illustration of a Bohr atom model spinning around the words Science Quickly with various science and medicine related icons around the text

Join Our Community of Science Lovers!

Shakespeare noted that a worm may eat a king, after that king is dead. Sadly, parasitic worms infect people who are still alive, especially kids. Public health advocates estimate that a third of the people on earth are infected with parasitic worms, called helminthes, particularly in poorer areas with inadequate sanitation.

Helminths harm health, but also interfere with nutrition and even academic advancement. So the London School of Hygiene and Tropical Medicine, with the Partnership for Child Development at Imperial College London, launched what’s called This Wormy World. It’s an atlas of the distribution and prevalence of helminth diseases, including roundworm, hookworm and whipworm. [www.thiswormyworld.org]

It’s often easy to control the parasites with cheap treatments. But resources get wasted because deworming programs are targeted at the wrong communities. The atlas should help the eradication fight by letting health officials know just where the problem areas are.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


The scientists have been collecting data for the past decade. Their first map focuses on Africa, where worm infestations are worst. Maps for the rest of the world will be out by the end of 2010—providing a complete picture of this wormy world of ours. And a new tool to tackle it.

—Cynthia Graber

[The above text is an exact transcript of this podcast.]

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe