1. Vaccinations in primary care;Shukla;Indian J Pediatr,2018
2. Istituto Superiore di Sanità - EpiCentro, “Copertura vaccinale in Italia.” Accessed: Aug. 23, 2023. [Online]. Available: https://www.epicentro.iss.it/vaccini/dati_Ita#difterite.
3. “WHO Immunization Data portal - Europe.” Accessed: Nov. 19, 2023. [Online]. Available: https://immunizationdata.who.int/pages/profiles/eur.html.
4. “WHO Immunization Data portal - Italy.” Accessed: Nov. 19, 2023. [Online]. Available: https://immunizationdata.who.int/pages/profiles/ita.html.
5. Post-marketing surveillance of adverse events following measles, mumps, rubella and varicella (MMRV) vaccine: retrospecive study in apulia region (ITALY), 2009–2017;Stefanizzi;Hum Vaccin Immunother,2020