While the disease has spread quickly in birds since international authorities first confirmed its arrival in Africa on Feb. 8 , beginning with an outbreak in Nigeria 's Kaduna State , no human cases have been reported here .
Nigeria /location/country/administrative_divisions Kaduna State
Kaduna State /location/administrative_division/country Nigeria
Nigeria /location/location/contains Kaduna State
Africa /location/location/contains Nigeria
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Kaduna State
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Kaduna State
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Nigeria
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Nigeria
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Kaduna State
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Africa
LOCATION
Nigeria
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