Science & Health
The World Health Organization has reported that it has tested for and found the polio virus in sewage in Sao Paolo, Brazil. There have been no reports of humans infected with it yet, but there is reason to fear its spread in the city that is one of the host cities of the World Cup.
Background:
Polio virus found in Sao Paulo sewage, no human case: WHO [Reuters]
Polio Virus Found Near World Cup [Boston]
