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The government imprisoned 75 dissident thinkers , including 29 journalists , Additionally , Cuba continued its post-revolution practice of dispatching doctors to assist poorer countries in Africa and Latin America , with over 30,000 health workers deployed overseas by 2007 .
 Cuba, Africa, Latin America
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Cuba, Africa, Latin America