Joseph Eisenberg

A woman wearing a scarf over her face stands by a wall carrying a polio vaccination kit box in Pakistan

Sewage surveillance is key in the fight against polio

Health & Medicine

The world is at the brink of eradicating polio. A surprise polio outbreak in Israel in 2013 led researchers to look closely for the poliovirus in sewage to detect virus shed in the feces of non-paralyzed people infected with polio, what epidemiologists call the “silent circulation” of polio.