Teams of surveyors are mapping the spread of trachoma, which can cause blindness, in rural Ethiopia. Cases are often found in remote areas with little access to healthcare. It has taken more than 12 years to identify what is estimated to be half of the world's trachoma-endemic districts. Funded by the UK government, a consortium led by Sightsavers hopes to survey the remaining endemic districts in less than three years.
Before heading out to their allocated communities. There are 16 teams working to identify the disease in Ethiopia |
The disease often begins in early childhood, where episodes of reinfection can lead slowly and painfully to complete blindness in adult life |
Children stand by the roadside as surveyors travel to the next remote community in the Oromia region. Trachoma is already known to affect more than 21 million people, but it is estimated that another 180 million people worldwide live in areas where the disease is highly prevalent and are at risk of going blind
The survey team records the availability of water, sanitation and hygiene facilities in each village, capturing the data on smartphones |
This is the first time that mobile data has been used to survey a global health issue on such a wide scale. All the data will be mapped and results uploaded to open-access disease maps |
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