Dr. Bruce Aylward , who coordinates the W.H.O. eradication campaign , said testing '' quite clearly '' showed that the strain had arrived recently and had come from Kano , in Nigeria , by way of Chad and Port Sudan , across the Red Sea .
Red Sea
Port Sudan
/location/location/contains
Nigeria
Kano
/location/location/contains
LOCATION
Kano
LOCATION
Nigeria
LOCATION
Chad
LOCATION
Port Sudan
LOCATION
Red Sea