WhatsApp Versus SMS for 2-Way, Text-Based Follow-Up After Voluntary Medical Male Circumcision in South Africa: Exploration of Messaging Platform Choice

Isabella Fabens   ¹ , MPH ;   Calsile Makhele   ² , MA ;   Nelson Kibiribiri Igaba   ³ , MPH, MBChB ;   Sizwe Hlongwane   ³ , MBA ;   Motshana Phohole   ³ , MPH ;   Evelyn Waweru   ⁴ , MSc ;   Femi Oni   ⁴ , BA ;   Madalitso Khwepeya   ¹ , RNM, PhD ;   Maria Sardini   ² , RN ;   Khumbulani Moyo   ³ , MBA, MBChB ;   Hannock Tweya   ¹ , MSc, PhD ;   Mourice Barasa Wafula   ⁴ , BSc ;   Jacqueline Pienaar   ² , MSc, MPH ;   Felex Ndebele   ² , MSc ;   Geoffrey Setswe   ² , MPH, DrPH ;   Tracy Qi Dong   ⁵ , MS, PhD ;   Caryl Feldacker   ¹ , MPH, PhD

¹ International Training and Education Center for Health (I-TECH), Departments of Global Health and Medicine, University of Washington, Seattle, WA, United States

² Aurum Institute, Johannesburg, South Africa

³ Right to Care, Johannesburg, South Africa

⁴ Medic, Nairobi, Kenya

⁵ Fred Hutchinson Cancer Center, Seattle, WA, United States