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Mr Albertus Schaap

Research Fellow

United Kingdom

Affiliations

Department of Clinical Research
Faculty of Infectious and Tropical Diseases

Centres

TB Centre

Selected Publications

Migration and its impact on universal HIV testing and treatment in the HPTN 071 (PopART) study communities.
MACLEOD, D; FLOYD, S; Shanaube, K; Probert, W; Bwalya, J; Schaap, A; Skalland, T; Moore, A; Piwowar-Manning, E; Hoddinott, G; Bond, V; Simwinga, M; Mandla, N; Donnell, D; Bock, P; Ayles, H; Fidler, S; HAYES, R; PopART study team,;
2026
PLOS global public health
Unmet need for contraceptives and unintended pregnancies among adolescent girls and young women aged 15 to 24 in Zambia: insights from the Yathu Yathu trial.
Rotsaert, A; Phiri, M; Sigande, L; SCHAAP, A; Zulu-Phiri, R; Simuyaba, M; Mwape, L; FLOYD, S; Fidler, S; HAYES, R; Simwinga, M; AYLES, H; Hensen, B;
2025
Reproductive health
Clinical outcomes of participants of a TB prevalence survey with an abnormal chest X-ray but no evidence of TB disease after a median follow-up of 9 months in Zambia and South Africa.
RUPEREZ, M; Busang, J; Mureithi, L; Shanaube, K; Klinkenberg, E; GACHIE, T; Burnett, JM; Kosloff, B; De Haas, P; HAYES, R; Fidler, S; SCHAAP, A; FLOYD, S; AYLES, H; TREATS study team,;
2025
PLOS global public health
Knowledge of HIV status among men aged 20-35 years in Lusaka, Zambia: Findings from a pilot time location sampling survey in the "Yaba Guy Che" (for the guys) study.
Phiri, MM; Sigande, LM; Mwansa, C; SCHAAP, A; FLOYD, S; Kalekanya, L; Banda, C; Belemu, S; AYLES, H; Simwinga, M; Hensen, B;
2025
Tropical Medicine & International Health
Co-designing Healthcare Interventions with Users: A Discrete Choice Experiment to Understand Young People's Preferences for Sexual and Reproductive Health Services in Lusaka, Zambia.
Mwenge, L; Quaife, M; Sigande, L; FLOYD, S; Simuyaba, M; Phiri, M; Mwansa, C; Kabumbu, M; Simwinga, M; Shanaube, K; SCHAAP, A; Fidler, S; HAYES, R; AYLES, H; Hensen, B; Hangoma, P;
2025
The patient
Acceptability of and experiences with menstrual hygiene cups among adolescent girls and young women aged 15-24 in two communities in Lusaka, Zambia: an exploratory study nested in the Yathu Yathu trial.
Gondwe, M; Simuyaba, M; Phiri, M; Mwansa, C; SCHAAP, A; Sigande, L; Shanaube, K; FLOYD, S; Fidler, S; AYLES, H; Simwinga, M; Hensen, B;
2025
Reproductive health
Pandemic burden in low-income settings and impact of limited and delayed interventions: A granular modelling analysis of COVID-19 in Kabwe, Zambia.
Perez-Guzman, PN; Chanda, SL; SCHAAP, A; Shanaube, K; BAGUELIN, M; Nyangu, ST; Kanyanga, MK; Walker, P; AYLES, H; Chilengi, R; Verity, R; Hauck, K; Knock, ES; Cori, A;
2024
International journal of infectious diseases
Incidence of self-reported tuberculosis treatment with community-wide universal testing and treatment for HIV and tuberculosis screening in Zambia and South Africa: A planned analysis of the HPTN 071 (PopART) cluster-randomised trial.
Telisinghe, L; FLOYD, S; MACLEOD, D; SCHAAP, A; Dunbar, R; Bwalya, J; Bell-Mandla, N; Piwowar-Manning, E; Donnell, D; Shaunaube, K; Bock, P; Fidler, S; HAYES, RJ; AYLES, HM; HPTN 071 (PopART) study team,;
2024
PLoS medicine
The impact of an innovative community-based peer-led intervention on uptake and coverage of sexual and reproductive health services among adolescents and young people 15-24 years old: results from the Yathu Yathu cluster randomised trial.
Phiri, MM; SCHAAP, A; Hensen, B; Sigande, L; Simuyaba, M; Mwenge, L; Zulu-Phiri, R; Mwape, L; FLOYD, S; Fidler, S; HAYES, R; Simwinga, M; AYLES, H;
2024
BMC public health
Comparing patterns of recent and remote Mycobacterium tuberculosis infection determined using the QuantiFERON-TB Gold Plus assay in a high TB burden setting.
Amofa-Sekyi, M; SCHAAP, A; Mureithi, L; Kosloff, B; Cheeba, M; Kangololo, B; Vermaak, R; Paulsen, R; RUPEREZ, M; FLOYD, S; De Haas, P; Fidler, S; HAYES, R; AYLES, H; Shanaube, K; TREATS study team,;
2024
PLOS global public health
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