Favela Data Drives Change

Marechal Rondon, a favela in Salvador, Brazil, isn’t an easy place to live. Its 20,000 residents struggle with poverty, poor sanitation, rats, and drug gangs. 

Working with local people, the international Urban Health Programme is mapping the scale—and locations—of the problems. Students carry tablets and note the location of blocked drains, piles of garbage and other “inflection points” for mosquitoes and rats.

Residents used data connecting leptospirosis with an open sewer to persuade the government to pipe sewage underground. The initiative includes the Federal University of Bahia, Brazil’s Oswaldo Cruz Foundation, the Yale School of Public Health and others.

The Guardian

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