1. Vaccines and Immunizationhttps://www.who.int/health-topics/vaccines-and-immunization?gclid=EAIaIQobChMItZ7GpdvR7AIVh9GyCh3SgwYqEAAYASAAEgLt2vD_BwE#tab=tab_1
2. Vaccination and Immunization Statisticshttps://data.unicef.org/topic/child-health/immunization/
3. Early estimates of the indirect effects of the COVID-19 pandemic on maternal and child mortality in low-income and middle-income countries: a modelling study
4. Italia Nuovi Scenari Sul COVID-19: Dalla Pandemia Un’impennata Nella Mortalità Infantile Globale—Unicef Italiahttps://www.unicef.it/doc/9885/mortalita-infantile-e-covid-rischio-6000-decessi-al-giorno-per-effetti-indiretti-pandemia.htm
5. At Least 80 Million Children under One at Risk of Diseases Such As Diphtheria, Measles and Polio as COVID-19 Disrupts Routine Vaccination Efforts, Warn Gavi, WHO and UNICEFhttps://www.who.int/news/item/22-05-2020-at-least-80-million-children-under-one-at-risk-of-diseases-such-as-diphtheria-measles-and-polio-as-covid-19-disrupts-routine-vaccination-efforts-warn-gavi-who-and-unicef