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. 2023 Jun 2;10(Suppl 1):S58–S66. doi: 10.1093/ofid/ofad041

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© The Author(s) 2023. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Salmonella combination vaccine pipeline including licensed and World Health Organization–prequalified typhoid conjugate vaccines, monovalent paratyphoid A vaccines in clinical development, and potential quadrivalent Salmonella vaccines. Arrowed boxes indicate ongoing development. Abbreviations: 1V, monovalent; 2V, bivalent; 3V, trivalent; 4V, quadrivalent; BBIL, Bharat Biotech International Ltd; BCH, Boston Children's Hospital; BioE, Biological E; GMMA, generalized modules for membrane antigens; GVGH, GlaxoSmithKline Vaccines Institute for Global Health; IVI, International Vaccine Institute; LIBP, Lanzhou Institute of Biological Products; NIH, National Institutes of Health; NTS, nontyphoidal Salmonella; PQ, prequalified; SEn, Salmonella Enteritidis; STm, Salmonella Typhimurium; SII, Serum Institute of India; TCV, typhoid conjugate vaccine; UMD, University of Maryland; WHO, World Health Organization.