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AIDVIRUS
True/False: AIDS infectious disease caused by virus

Codes and Frequencies



An 'X' indicates the category is available for that sample

00NIUXXXXXX
10TrueXX····
11Definitely true··XXXX
12Probably true··XXXX
20FalseXX····
21Probably false··XXXX
22Definitely false··XXXX
97Unknown-refused··XXXX
98Unknown-not ascertainedXXXXXX
99Unknown-don't knowXXXXXX