Khan, S., Gupta, G.K., Agrawal, D., Nawaz Zaidi, S.H., Batra, J., Syed, S., Sharma, L., Khambira, M., Haile, D.A., Sethy, G. and Singh, S.K. 2024. The Big Catch-up: Addressing Zero-Dose Children as a Surrogate of Vaccination Disruptions During Public Health Emergencies: A review of literature. European Scientific Journal, ESJ. 20, 36 (Dec. 2024), 19. DOI:https://doi.org/10.19044/esj.2024.v20n36p19.