362501
A clinical officer ( CO ) is a mid-level practitioner of medicine in East Africa and parts of Southern Africa who is qualified and licensed to perform general medical duties such as diagnosis and treatment of disease and injury , ordering and interpreting medical tests , performing routine medical and surgical procedures , and referring patients to other practitioners .
 Southern
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Southern