“I have been a sewerage operator for more than 20 years now,” says Fundi Mzee, smiling as he leaves his office at the Dar es Salaam Water and Sewerage Authority premises for his weekly hunting expedition for polio.
“I never thought such a harmful virus could be hiding in the waste waters that I deal with every day,” he explains. “Such work requires a good understanding of wastewater networks and mechanics. A typical day for me involves routine maintenance and cleaning of public sewers, plus dealing with any blockages.”
