Sewage Science: Stalking a Threat to Polio Eradication in the World’s Sewers

May 16, 2012 /
Aria Curtis
Former President Jimmy Carter highlights Helen Branswell's Polio reporting when speaking to a group of health journalists in Atlanta.
April 17, 2012 / Scientific American
Helen Branswell
A vexing problem for Indian health authorities: the most widely used polio vaccine now causes more disease than the virus it is supposed to fight.
April 17, 2012 / Scientific American
Helen Branswell
Pulitzer Center grantee Helen Branswell reports on the tricky transition to a safer polio vaccine in the final stages of eradicating the disease.
August 17, 2011 / Pulitzer Center
Helen Branswell
Using simple, low-tech methods, Indian public health officials sample sewage in Mumbai, New Delhi and Patna to learn where polioviruses originate and to locate children in need of vaccination.
August 12, 2011 / The Atlantic, Pulitzer Center
Helen Branswell
Someone in Tampere, Finland, has been excreting stools laced with the poliovirus and flushing them into the sewer system since 2008, threatening eradication campaigns.
August 10, 2011 / Pulitzer Center
Helen Branswell
Pulitzer Center grantee Helen Branswell explains the vocabulary most commonly used when describing the poliovirus.
July 29, 2011 / Pulitzer Center
Helen Branswell
The CIA launched a fake vaccination campaign while trying to track Osama Bin Laden in Pakistan. The scheme could hurt that country’s efforts to eradicate polio.
July 12, 2011 / The Atlantic, Pulitzer Center
Helen Branswell
Indian officials are working to end the transmission of polio within the country, launching extra rounds of immunization in high-risk areas.
July 11, 2011 / Pulitzer Center
Helen Branswell
In an effort to vaccinate all children under five, teams of polio eradication health workers visit homes in Firozabad in Uttar Pradesh state. Areas with poor sanitation are considered high-risk.
June 24, 2011 / Pulitzer Center
Helen Branswell
Meet the strong-stomached scientists trudging through human excrement to find the small, puzzling group of people who may undo the hard-fought gains of polio eradication.