Schomaker M, Egger M, Ndirangu J, Phiri S, Moultrie H, et al. (2013) When to Start Antiretroviral Therapy in Children Aged 2–5 Years: A Collaborative Causal Modelling Analysis of Cohort Studies from Southern Africa. PLoS Med 10(11): e1001555. doi:10.1371/journal.pmed.1001555

Haac BE, Charles AG, Matoga M, Lacourse SM, Nonsa D, et al. (2013) HIV Testing and Epidemiology in a Hospital-Based Surgical Cohort in Malawi. World J Sug 37(9): 2122-8

Tweya H, Feldacker C, Estill J, Jahn A, Ng’ambi W, et al. (2013) Are They Really Lost? “True” Status and Reasons for Treatment Discontinuation among HIV Infected Patients on Antiretroviral Therapy Considered Lost to Follow Up in Urban Malawi. PLoS ONE 8(9): e75761. doi:10.1371/journal.pone.0075761

Tweya H, Feldacker C, Phiri S, Ben-Smith A, Fenner L, Jahn A et al.(2013)  Comparison of treatment outcomes of new smear-positive pulmonary tuberculosis patients by HIV and antiretroviral status in a TB/HIV clinic, Malawi. PLoS ONE. 8(2).

Johnson LF, Mossong J, Dorrington RE, Schomaker M, Hoffmann CJ, et al. (2013) Life expectancies of South African adults starting antiretroviral treatment: collaborative analysis of cohort studies. PLoS Med 10(4):e1001418. doi: 10.1371/journal.pmed.1001418

Johnson D, Feldacker C, Tweya H, Phiri S, Hosseinipour M. (2013 ) Factors associated with timely initiation of antiretroviral treatment in two HIV clinics in Lilongwe, Malawi. Int J STD AIDS 24(1):42-9. doi: 10.1177/0956462412472312

Tweya H, Feldacker C, Breeze E,  Jahn A,  Haddad LB, et al. (2013) Incidence of Pregnancy Among Women Accessing Antiretroviral Therapy in Urban Malawi: A Retrospective Cohort Study. AIDS Behav 17(2):471-8. doi: 10.1007/s10461-012-0150-0


Feldacker C, Johnson D, Hosseinipour M, Phiri S, Tweya H (2012) Who Starts? Factors Associated with Starting Antiretroviral Therapy among Eligible Patients in Two, Public HIV Clinics in Lilongwe, Malawi. PLoS ONE 7(11): e50871. doi:10.1371/journal.pone.0050871

Tweya H, Feldacker C, Ben-Smith A, Weigel R, Boxshall M, Phiri S, Jahn A.‘Task-shifting’ in an antiretroviral clinic in Malawi: Can health surveillance assistants safely manage patients? Public Health Action. 2012 Dec 2(4).178-8.

Feldacker C, Tweya H, Keiser O, Weigel R, Kalulu M, et al. (2012) Characteristics of adults and children diagnosed with tuberculosis in Lilongwe, Malawi: findings from an integrated HIV/TB clinic. Tropical Medicine and International Health, Vol.17, p.1108(9)

Cornell M, Schomaker M, Garone DB, Giddy J, Hoffmann CJ, et al. (2012) Gender differences in survival among adult patients starting antiretroviral therapy in South Africa: a multicentre cohort study.(Report) PLoS Med 9(9):

Luebbert J, Tweya H, Phiri S, Chaweza T, Mwafilaso J, et al. (2012) Virological Failure and Drug Resistance in Patients on Antiretroviral Therapy After Treatment Interruption in Lilongwe, Malawi. Clinical Infectious Diseases, 2012, Vol.55(3), pp.441-448 [Peer Reviewed Journal]

Luebbert J, Tweya H, Phiri S, Chaweza T, Mwafilaso J, et al. (2012) Virological failure and drug resistance in patients on antiretroviral therapy after treatment interruption in lilongwe, Malawi. Clinical infectious diseases 55(3): 441-8

Tweya H, Feldacker C, Ben-Smith A, Harries AD, Komatsu R, et al. (2012) Simplifying ART cohort monitoring: Can pharmacy stocks provide accurate estimates of patients retained on antiretroviral therapy in Malawi? BMC Health Services Research, July 20, 2012, Vol.12, p.210

Vorkas CK, Tweya H, Mzinganjira D, Dickie G, Weigel R, et al. (2012) Practices to improve identification of adult antiretroviral therapy failure at the Lighthouse Trust clinic in Lilongwe, Malawi. Tropical Medicine & International Health 17(2):169-176