A WHO survey team measures the prevalence of trachomatous trichiasis (TT) in a district of Ethiopia. According to WHO elimination criteria, what preva...

Question

A WHO survey team measures the prevalence of trachomatous trichiasis (TT) in a district of Ethiopia. According to WHO elimination criteria, what prevalence of TT in adults aged ≥15 years must be achieved for trachoma to be considered eliminated as a public health problem?

Accepted Answer

TT prevalence

Answer

TT prevalence 0% in all age groups

uk-dtmh MCQ (SBA): Trachoma Elimination Criteria

A WHO survey team measures the prevalence of trachomatous trichiasis (TT) in a district of Ethiopia. According to WHO elimination criteria, what prevalence of TT in adults aged ≥15 years must be achieved for trachoma to be considered eliminated as a public health problem?