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2. Centers for Disease Control and Prevention. Common Questions About Vaccines. [cited 23 Jan 2023; updated 7 July 2022]. Available from: https://www.cdc.gov/vaccines/parents/FAQs.html
3. Children's Hospital of Philadelphia. Why It's Important to ne Up to Date on Vaccines. [cited 24 Jan 2023; updated 13 Sept 2022]. Available from: https://www.chop.edu/news/health-tip/why-its-important-to-be-up-to-date-on-vaccines#:~:text=Vaccinations%20throughout%20childhood%20are%20essential,for%20use%20by%20the%20CDC.
4. Department of Health South Africa. Standard Treatment Guidelines and Essential Medicines List for South Africa. 2020 Edition. Available from: https://www.knowledgehub.org.za/system/files/elibdownloads/2021-02/Primary%20Healthcare%20STGs%20and%20EML%207th%20edition%20-%202020-v2.0.pdf
5. NICD. Vaccine Information for Parents & Caregivers. Nov 2016. Available from: http://www.kznhealth.gov.za/cdc/NICD_Vaccine_Booklet.pdf