Whittaker, Charles https://orcid.org/0000-0002-5003-2575
Barnsley, Gregory https://orcid.org/0000-0001-7972-0737
Mesa, Daniela Olivera https://orcid.org/0000-0002-6190-2855
Cox, Victoria https://orcid.org/0000-0003-3852-7855
Laydon, Daniel J. https://orcid.org/0000-0003-4270-3321
Tan, Chee Wah https://orcid.org/0000-0001-9837-1413
Zhu, Feng https://orcid.org/0000-0002-8131-1219
Johnson, Rob
Doohan, Patrick https://orcid.org/0000-0001-8076-1106
Whittles, Lilith K. https://orcid.org/0000-0002-8913-0391
Nedjati-Gilani, Gemma
Winskill, Peter https://orcid.org/0000-0003-3001-4959
Hogan, Alexandra B.
Deol, Arminder https://orcid.org/0000-0002-7154-5505
Mukandavire, Christinah
Hauck, Katharina https://orcid.org/0000-0003-3138-4169
Lye, David Chien Boon
Wang, Lin-Fa https://orcid.org/0000-0003-2752-0535
Watson, Oliver J. https://orcid.org/0000-0003-2374-0741
Ghani, Azra C. https://orcid.org/0000-0002-0007-4910
Article History
Received: 10 September 2024
Accepted: 18 August 2025
First Online: 26 September 2025
Competing interests
: The Coalition for Epidemic Preparedness Innovations (CEPI) funded the investigation into the impact of the 100 Days Mission. Authors maintained full freedom when designing the study and deciding on additional scenarios to explore. ACG has received personal consultancy fees from HSBC, GlaxoSmithKline, Sanofi and WHO related to COVID-19 epidemiology and from The Global Fund to Fight AIDS, Tuberculosis and Malaria for work unrelated to COVID-19. ACG was previously a non-remunerated member of a scientific advisory board for Moderna and is currently a non-remunerated member of the scientific advisory board for the Coalition for Epidemic Preparedness. OJW has received personal consultancy fees from WHO for work related to malaria. ABH has received personal consultancy fees from WHO for work related to COVID-19, and grant funding for COVID-19 work from WHO and NSW Ministry of Health, Australia. ABH is a member of the WHO Immunization and vaccines related implementation research advisory committee. CW has received personal consultancy fees from SecureBio for work relating to novel pathogen surveillance and from Blueprint Biosecurity for work relating to pandemic preparedness. CWT and LFW and FZ are co-inventors of multiple patent applications on development of pan-sarbecovirus vaccines and human-nAbs. All other authors declare no competing interests.