Explanation: Following methods are used for case detection of
STD:
. CONTACT TRACING: Contact tracing is the term used for the
technique by which the sexual partners of diagnosed patients are
identified, located, investigated, and treated.
. CLUSTER TESTING: Here the patients are asked name other
persons of either sex who move in the same socio-sexual
environment. These persons are then screened
Ref: Park's textbook of Preventive and Social Medicine, 21stedition,
Page 313