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24th March is World TB Day (3): Contact tracing prevention and control of TB
Dr KK Aggarwal,  22 March 2019
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Contact screening is an important strategy for control of tuberculosis (TB). Contacts are persons who are in close proximity to patients who have TB and are therefore at high risk of acquiring the infection.Contact: Any person who has contact with an index case with infectious TB.Index case: The initially identified case of TB (new or recurrent) in a person of any age in a specific household o
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