Nigeria 's predominantly Muslim northern states stopped polio vaccinations for a year in mid-2003 after rumors began to circulate that the vaccine was part of a Western conspiracy to sterilize Muslim girls -- a catastrophic stoppage that fueled the spread of the disease in Africa .
Africa /location/location/contains Nigeria
NNP POS RB JJ JJ NNS VBD NNP NNS IN DT NN IN NN IN NNS VBD TO VB IN DT NN VBD NN IN DT JJ NN TO VB JJ NNS : DT JJ NN WDT VBD DT NN IN DT NN IN NNP .
Africa
LOCATION
Nigeria
LOCATION
/location/location/contains