Zankli Research Centre, Kobape, Nassarawa, Nigeria
Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Blantyre, Chichiri, Malawi
Korogwe District Hospital, Korogwe, Tanzania
Chikwawa District Hospital, Chikwawa, Malawi
Mangochi District Hospital, Mangochi, Malawi
84 rural secondary schools in Siaya County (expanded to total 96 schools; Protocol v7), Siaya, Siaya County, Kenya
Malawi-Liverpool-Wellcome Trust Clinical Research Program Chikwawa District Hospital Field Research Sute, Iratu, Chikwawa, Malawi
Kamuli Mission Hospital, Kamuli, Uganda
Jinja Regional Referral Hospital, Jinja, Uganda
Masaka Regional Referral Hospital, Masaka, Uganda
Moyo ward, Department of Paediatrics, Queen Elizabeth Central Hospital, Blantyre, Southern Region, Malawi
Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya
REACH Trust, Lilongwe, Malawi
The Epidemiological Laboratory (EpiLab), Khartoum, Sudan