The virus was first discovered in 1967 , when monkeys imported from Uganda infected laboratory workers in Marburg and Frankfurt , Germany , and Belgrade , Yugoslavia .
Germany /location/location/contains Marburg
Yugoslavia /location/country/capital Belgrade
Germany /location/location/contains Frankfurt
DT NN VBD JJ VBN IN CD , WRB NNS VBN IN NNP JJ NN NNS IN NNP CC NNP , NNP , CC NNP , NNP .
Germany
LOCATION
Marburg
LOCATION
/location/location/contains
Yugoslavia
LOCATION
Belgrade
LOCATION
/location/country/capital
Germany
LOCATION
Frankfurt
LOCATION
/location/location/contains