News outlets report on the detection of a strain of wild poliovirus in a sewage sample from Brazil.

BBC News: Polio virus sample found at Brazil airport
“A strain of the polio virus has been found at an international airport in Brazil, but there are no human cases, the World Health Organization has said…” (6/23).

Los Angeles Times: Poliovirus discovered in Brazilian sewage, WHO reports
“…Wild poliovirus type 1 (WPV1) was discovered during a routine health check at the city’s Viracopos International Airport and reported to the WHO on June 18, officials said…” (Morin, 6/23).

New York Times: Brazil: Polio Virus Detected in Sewage
“…[The sample] was collected in March and matched a strain recently found in Equatorial Guinea on the central African coast…” (McNeil, 6/23).

Reuters: Polio virus found in Sao Paulo sewage, no human case: WHO
“The polio virus has been found in sewage samples near Sao Paulo, one of the venues for the soccer World Cup in Brazil, but no human case of the disease has been reported so far, the World Health Organization said on Monday…” (Nebehay, 6/23).