===United States===
{{quote
|content=[https://www.cdc.gov/vaccines/acip/recommendations.html CDC: Recommendations by Advisory Committee on Immunization Practices ]https://www.cdc.gov/vaccines/acip/recommendations.html
}}
{{quote
|content=[https://www.cdc.gov/vaccines/pubs/pinkbook/index.html CDC: The Pinkbook ]https://www.cdc.gov/vaccines/pubs/pinkbook/index.html
}}
===United Kingdom===
{{quote
|content=[https://www.gov.uk/government/collections/immunisation GOV.UK: Immunisation ]https://www.gov.uk/government/collections/immunisation
}}
{{quote
|content=[https://www.gov.uk/government/collections/vaccine-update GOV.UK: Vaccine Update (newsletters) ]https://www.gov.uk/government/collections/vaccine-update
}}
{{quote
|content=[https://www.gov.uk/government/collections/immunisation-against-infectious-disease-the-green-book The Green Book ]https://www.gov.uk/government/collections/immunisation-against-infectious-disease-the-green-book
}}