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Other government health agencies from around the world have devised their own national guidelines for how to use PrEP to prevent HIV infection in those at high risk , including Botswana , Canada , Kenya , Lesotho , South Africa , Uganda , the United Kingdom , Zambia , and Zimbabwe .
 Botswana, Canada, Kenya, Lesotho, South Africa, Uganda, United Kingdom, Zambia, Zimbabwe
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Botswana, Canada, Kenya, Lesotho, South Africa, Uganda, United Kingdom, Zambia, Zimbabwe