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Kaja Abbas

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Papers

Mogasale VV, John J, Ray A, Farooqui HH, Mogasale V, Hutubessy R, Dhoubhadel BG, Edmunds WJ, Clark A, Abbas K. (2026). Economic burden of typhoid fever by antimicrobial resistance in India: a modelling study 2023. The Lancet regional health. Southeast Asia, (47)

Fu H, Sbarra AN, Russell T, Abbas K, Auzenbergs M, Jit M. (2026). Estimating the basic reproduction number of measles in low-and middle-income settings using 172 seroprevalence studies: A modelling approach. PLOS global public health, 6(7)

Mogasale VV, Zhang P, John J, Farooqui HH, Ray A, Mogasale V, Parry CM, Dhoubhadel BG, Edmunds WJ, Clark A, Abbas K. (2026). Burden of antimicrobial resistance in culture-confirmed Salmonella Typhi isolates in India from 1977 to 2024: A systematic review and meta-analysis. PLoS neglected tropical diseases, 20(4)

Gaythorpe KAM, Li X, Shankar M, Hartner AM, Gibney Z, Abbas K, Abeysuriya R, Alam C, Auzenbergs M, Azman AS, Barasa E, Costello A, Ferrari MJ, Fraser K, Fu H, Haile L, Kakaï RG, Karachaliou-Prasinou A, Lee EC, Katama EN, Kim JH, Jit M, Liu Y, Malinga J, Moore S, Nayagam S, Nedjati-Gilani G, Okell LC, Onifade AA, Papadopoulos T, Penny MA, Perkins TA, Pitzer VE, Portnoy A, Procter SR, Saraswati CM, Scott N, Seaman C, Shattock AJ, Sim SY, Tran Q, Vynnycky E, Winter AK, Hinsley W, Ferguson NM, Trotter CL. (2026). Quantifying relative health impact across Gavi, the Vaccine Alliance's portfolio in 117 countries at the subregional level: a modelling study. Lancet, 407(10542)

Lai X, Abbas K, Pouwels KB, Jit M, Fang H. (2026). Global, regional, and national impact of the Expanded Programme on Immunization against 14 pathogens from 1974 to 2024: an economic evaluation. The Lancet. Global health, 14(7)

Mogasale VV, John J, Sahai N, Ray A, Farooqui HH, Mogasale V, Dhoubhadel BG, Edmunds WJ, Clark A, Abbas K. (2026). Burden of typhoid fever and antimicrobial resistance in India (2023): a modelling study. The Lancet regional health. Southeast Asia, (44)

Kim C, Frost I, Naylor NR, Au H, Kim Y, Lee Y, Bzymek A, Majgier K, Moldoveanu AL, Salman OM, Simiyu S, Youssef DM, Hasso-Agopsowicz M, Abbas K. (2025). Length of hospital stay and associated treatment costs for patients with susceptible and antibiotic-resistant Salmonella infections: a systematic review and meta-analysis. BMJ open, 15(6)

Wang C, Lai X, Abbas K, Pouwels KB, Zhang H, Jit M, Fang H. (2025). Health impact and economic evaluation of the Expanded Program on Immunization in China from 1974 to 2024: a modelling study. The Lancet. Public health

Auzenbergs M, Abbas K, Peak CM, Voorman A, Jit M, O'Reilly KM. (2025). Vaccination strategies against wild poliomyelitis in polio-free settings: outbreak risk modelling study and cost-effectiveness analysis. BMJ global health, 10(3)

Naylor NR, Hasso-Agopsowicz M, Kim C, Ma Y, Frost I, Abbas K, Aguilar G, Fuller N, Robotham JV, Jit M. (2025). The global economic burden of antibiotic-resistant infections and the potential impact of bacterial vaccines: a modelling study. BMJ global health, 10(6)

Kim S, Kang H, Skrip L, Sahastrabuddhe S, Islam A, Jung SM, Vesga JF, Endo A, Edmunds WJ, Abbas K. (2025). Progress and challenges in Nipah vaccine development and licensure for epidemic preparedness and response. Expert review of vaccines

Kang H, Lim A, Auzenbergs M, Clark A, Colón-González FJ, Salje H, Clapham H, Carrera JP, Kim JH, Malarski M, López-Vergès S, Cucunubá ZM, Cerqueira-Silva T, Edmunds WJ, Sahastrabuddhe S, Brady OJ, Abbas K. (2025). Global, regional and national burden of chikungunya: force of infection mapping and spatial modelling study. BMJ global health, 10(10)

Kang H, Lim A, Clark A, Colón González FJ, Clapham HE, Carrera JP, Kim JH, Auzenbergs M, Lakshminarayanan P, López-Vergès S, Sim SY, Han SM, Cerqueira-Silva T, Endy T, Cucunubá ZM, Edmunds WJ, Sahastrabuddhe S, Brady OJ, Abbas K. (2025). Age-specific chikungunya outbreak response immunisation strategies in Brazil: a modelling study. EClinicalMedicine, (90)

Maure C, Khazhidinov K, Kang H, Auzenbergs M, Moyersoen P, Abbas K, Santos GML, Medina LMH, Wartel TA, Kim JH, Clemens J, Sahastrabuddhe S. (2024). Chikungunya vaccine development, challenges, and pathway toward public health impact. Vaccine, 42(26)

Hartner AM, Li X, Echeverria-Londono S, Roth J, Abbas K, Auzenbergs M, de Villiers MJ, Ferrari MJ, Fraser K, Fu H, Hallett T, Hinsley W, Jit M, Karachaliou A, Moore SM, Nayagam S, Papadopoulos T, Perkins TA, Portnoy A, Minh QT, Vynnycky E, Winter AK, Burrows H, Chen C, Clapham HE, Deshpande A, Hauryski S, Huber J, Jean K, Kim C, Kim JH, Koh J, Lopman BA, Pitzer VE, Tam Y, Lambach P, Sim SY, Woodruff K, Ferguson NM, Trotter CL, Gaythorpe KAM. (2024). Estimating the health effects of COVID-19-related immunisation disruptions in 112 countries during 2020-30: a modelling study. The Lancet. Global health, 12(4)

Mogasale VV, Sinha A, John J, Hasan Farooqui H, Ray A, Chantler T, Mogasale V, Gopal Dhoubhadel B, John Edmunds W, Clark A, Abbas K. (2024). Typhoid conjugate vaccine implementation in India: A review of supportive evidence. Vaccine: X, (21)

Kang H, Auzenbergs M, Clapham H, Maure C, Kim JH, Salje H, Taylor CG, Lim A, Clark A, Edmunds WJ, Sahastrabuddhe S, Brady OJ, Abbas K. (2024). Chikungunya seroprevalence, force of infection, and prevalence of chronic disability after infection in endemic and epidemic settings: a systematic review, meta-analysis, and modelling study. The Lancet. Infectious diseases

Williams SV, Akande T, Abbas K. (2024). Systematic review of social determinants of childhood immunisation in low- and middle-income countries and equity impact analysis of childhood vaccination coverage in Nigeria. PloS one, 19(3)

Mogasale VV, Sinha A, John J, Hasan Farooqui H, Ray A, Chantler T, Mogasale V, Dhoubhadel BG, Edmunds WJ, Clark A, Abbas K. (2024). Research priorities to support typhoid conjugate vaccine decision-making in India: evidence assessment and stakeholder survey. BMJ public health, 2(2)

Abbas K, Yoo KJ, Prem K, Jit M. (2024). Equity impact of HPV vaccination on lifetime projections of cervical cancer burden among cohorts in 84 countries by global, regional, and income levels, 2010-22: a modelling study. EClinicalMedicine, (70)

Cadarette D, Ferranna M, Cannon JW, Abbas K, Giannini F, Zucker L, Bloom DE. (2023). The full health, economic, and social benefits of prospective Strep A vaccination. NPJ vaccines, 8(1)

Kim C, Goucher GR, Tadesse BT, Lee W, Abbas K, Kim JH. (2023). Associations of water, sanitation, and hygiene with typhoid fever in case-control studies: a systematic review and meta-analysis. BMC infectious diseases, 23(1)

Prem K, Choi YH, Bénard É, Burger EA, Hadley L, Laprise JF, Regan MC, Drolet M, Sy S, Abbas K, Portnoy A, Kim JJ, Brisson M, Jit M. (2023). Global impact and cost-effectiveness of one-dose versus two-dose human papillomavirus vaccination schedules: a comparative modelling analysis. BMC medicine, 21(1)

Lee JS, Mogasale V, Kim S, Cannon J, Giannini F, Abbas K, Excler JL, Kim JH. (2023). The potential global cost-effectiveness of prospective Strep A vaccines and associated implementation efforts. NPJ vaccines, 8(1)

Auzenbergs M, Fu H, Abbas K, Procter SR, Cutts FT, Jit M. (2023). Health effects of routine measles vaccination and supplementary immunisation activities in 14 high-burden countries: a Dynamic Measles Immunization Calculation Engine (DynaMICE) modelling study. The Lancet. Global health, 11(8)

Giannini F, Cannon JW, Cadarette D, Bloom DE, Moore HC, Carapetis J, Abbas K. (2023). Author Correction: Modeling the potential health impact of prospective Strep A vaccines. NPJ vaccines, 8(1)

Giannini F, Cannon JW, Cadarette D, Bloom DE, Moore HC, Carapetis J, Abbas K. (2023). Modeling the potential health impact of prospective Strep A vaccines. NPJ vaccines, 8(1)

Fu H, Abbas K, Malvolti S, Gregory C, Ko M, Amorij JP, Jit M. (2023). Impact and cost-effectiveness of measles vaccination through microarray patches in 70 low-income and middle-income countries: mathematical modelling and early-stage economic evaluation. BMJ global health, 8(11)

Kim C, Holm M, Frost I, Hasso-Agopsowicz M, Abbas K. (2023). Global and regional burden of attributable and associated bacterial antimicrobial resistance avertable by vaccination: modelling study. BMJ global health, 8(7)

Toor J, Li X, Jit M, Trotter CL, Echeverria-Londono S, Hartner AM, Roth J, Portnoy A, Abbas K, Ferguson NM, Am Gaythorpe K. (2022). COVID-19 impact on routine immunisations for vaccine-preventable diseases: Projecting the effect of different routes to recovery. Vaccine

Kitamura N, Abbas K, Nathwani D. (2022). Public health and social measures to mitigate the health and economic impact of the COVID-19 pandemic in Turkey, Egypt, Ukraine, Kazakhstan, and Poland during 2020-2021: situational analysis. BMC public health, 22(1)

Echeverria-Londono S, Hartner AM, Li X, Roth J, Portnoy A, Sbarra AN, Abbas K, Ferrari M, Fu H, Jit M, Ferguson NM, Gaythorpe KAM. (2022). Exploring the subnational inequality and heterogeneity of the impact of routine measles immunisation in Africa. Vaccine

Ali HA, Hartner AM, Echeverria-Londono S, Roth J, Li X, Abbas K, Portnoy A, Vynnycky E, Woodruff K, Ferguson NM, Toor J, Gaythorpe KA. (2022). Vaccine equity in low and middle income countries: a systematic review and meta-analysis. International journal for equity in health, 21(1)

Liu Y, Pearson CAB, Sandmann FG, Barnard RC, Kim JH, , Flasche S, Jit M, Abbas K. (2022). Dosing interval strategies for two-dose COVID-19 vaccination in 13 middle-income countries of Europe: Health impact modelling and benefit-risk analysis. The Lancet regional health. Europe

Portnoy A, Hsieh YL, Abbas K, Klepac P, Santos H, Brenzel L, Jit M, Ferrari M. (2022). Differential health impact of intervention programs for time-varying disease risk: a measles vaccination modeling study. BMC medicine, 20(1)

Ahmed Ali H, Hartner AM, Echeverria-Londono S, Roth J, Li X, Abbas K, Portnoy A, Vynnycky E, Woodruff K, Ferguson NM, Toor J, Gaythorpe KAM. (2022). Correction: Vaccine equity in low and middle income countries: a systematic review and meta-analysis. International journal for equity in health, 21(1)

Li X, Mukandavire C, Cucunubá ZM, Echeverria Londono S, Abbas K, Clapham HE, Jit M, Johnson HL, Papadopoulos T, Vynnycky E, Brisson M, Carter ED, Clark A, de Villiers MJ, Eilertson K, Ferrari MJ, Gamkrelidze I, Gaythorpe KAM, Grassly NC, Hallett TB, Hinsley W, Jackson ML, Jean K, Karachaliou A, Klepac P, Lessler J, Li X, Moore SM, Nayagam S, Nguyen DM, Razavi H, Razavi-Shearer D, Resch S, Sanderson C, Sweet S, Sy S, Tam Y, Tanvir H, Tran QM, Trotter CL, Truelove S, van Zandvoort K, Verguet S, Walker N, Winter A, Woodruff K, Ferguson NM, Garske T, . (2021). Estimating the health impact of vaccination against ten pathogens in 98 low-income and middle-income countries from 2000 to 2030: a modelling study. Lancet, 397(10272)

Gaythorpe KA, Abbas K, Huber J, Karachaliou A, Thakkar N, Woodruff K, Li X, Echeverria-Londono S, , Ferrari M, Jackson ML, McCarthy K, Perkins TA, Trotter C, Jit M. (2021). Impact of COVID-19-related disruptions to measles, meningococcal A, and yellow fever vaccination in 10 countries. eLife, (10)

Mayerová D, Abbas K. (2021). Childhood immunisation timeliness and vaccine confidence by health information source, maternal, socioeconomic, and geographic characteristics in Albania. BMC public health, 21(1)

Fu H, Abbas K, Klepac P, van Zandvoort K, Tanvir H, Portnoy A, Jit M. (2021). Effect of evidence updates on key determinants of measles vaccination impact: a DynaMICE modelling study in ten high-burden countries. BMC medicine, 19(1)

Abbas K, Mogasale V. (2021). Disruptions to childhood immunisation due to the COVID-19 pandemic. Lancet

Toor J, Echeverria-Londono S, Li X, Abbas K, Carter ED, Clapham HE, Clark A, de Villiers MJ, Eilertson K, Ferrari M, Gamkrelidze I, Hallett TB, Hinsley WR, Hogan D, Huber JH, Jackson ML, Jean K, Jit M, Karachaliou A, Klepac P, Kraay A, Lessler J, Li X, Lopman BA, Mengistu T, Metcalf CJE, Moore SM, Nayagam S, Papadopoulos T, Perkins TA, Portnoy A, Razavi H, Razavi-Shearer D, Resch S, Sanderson C, Sweet S, Tam Y, Tanvir H, Tran Minh Q, Trotter CL, Truelove SA, Vynnycky E, Walker N, Winter A, Woodruff K, Ferguson NM, Gaythorpe KA. (2021). Lives saved with vaccination for 10 pathogens across 112 countries in a pre-COVID-19 world. eLife, (10)

Echeverria-Londono S, Li X, Toor J, de Villiers MJ, Nayagam S, Hallett TB, Abbas K, Jit M, Klepac P, Jean K, Garske T, Ferguson NM, Gaythorpe KAM. (2021). How can the public health impact of vaccination be estimated?. BMC public health, 21(1)

Abbas K, Procter SR, Clark A, Flasche S. (2021). COVID-19's lost generation of unvaccinated children - Authors' reply. The Lancet. Global health

Portnoy A, Abbas K, Sweet S, Kim JJ, Jit M. (2021). Projections of human papillomavirus (HPV) vaccination impact in Ethiopia, India, Nigeria and Pakistan: a comparative modelling study. BMJ global health, 6(11)

Idris IO, Obwoya JG, Tapkigen J, Lamidi SA, Ochagu VA, Abbas K. (2021). Impact evaluation of immunisation service integration to nutrition programmes and paediatric outpatient departments of primary healthcare centres in Rumbek East and Rumbek Centre counties of South Sudan. Family medicine and community health, 9(3)

Abbas K, Procter SR, van Zandvoort K, Clark A, Funk S, Mengistu T, Hogan D, Dansereau E, Jit M, Flasche S,. (2020). Routine childhood immunisation during the COVID-19 pandemic in Africa: a benefit-risk analysis of health benefits versus excess risk of SARS-CoV-2 infection. The Lancet. Global health

Geweniger A, Abbas KM. (2020). Childhood vaccination coverage and equity impact in Ethiopia by socioeconomic, geographic, maternal, and child characteristics. Vaccine, 38(20)

Ochalek J, Abbas K, Claxton K, Jit M, Lomas J. (2020). Assessing the value of human papillomavirus vaccination in Gavi-eligible low-income and middle-income countries. BMJ global health, 5(10)

Redican KJ, Abbas K, Elvinger F, Hosig K, Marmagas SW, Chitsulo P, Kelly P, Burton J, Tlou J, Carter-Tod S. Making a Difference in Malawi and Zambia Through Health Education and Public Health Best Practices. Global journal of health education and promotion, 16(2)

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