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Doctor Emanuil Ceausu , head of Bucharest 's Victor Babes hospital for infectious diseases , said the epidemic had been caused by a virus yet to be identified .
 Bucharest, Victor Babes, Emanuil Ceausu
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Bucharest, Victor Babes, Emanuil Ceausu