Predictors of Positivity Yield among Index Contacts in Harare and Matabeleland South Provinces, Zimbabwe, 2022. J Epidemiol Public Healt [Internet]. 2023 Jul. 16 [cited 2026 Mar. 3];8(3):335-48. Available from: https://www.jepublichealth.com/index.php/jepublichealth/article/view/587