1. World Health Organization Immunization Coveragehttps://www.who.int/en/news-room/fact-sheets/detail/immunization-coverage
2. United Nations Children Funds (UNICEF) Child Mortality and COVID-19https://data.unicef.org/topic/child-survival/covid-19/
3. MDG 4: Reduce Child Mortalityhttps://www.who.int/topics/millennium_development_goals/child_mortality/en/
4. Newborn and Child Health: Let’s Ensure Newborns Survive and Thrivehttps://www.unicef.org/india/what-we-do/newborn-and-child-health
5. Immunization Coverage in WHO Regions: A Review Article;Vakili;Int. J. Pediatrics,2015