One global vaccine for all people against all diseases. What a genious mind. Not even our ALL MIGHTY came up with such an idea.

https://www.who.int/teams/immunization-vaccines-and-biologicals/strategies/global-vaccine-action-plan
Global Vaccine Action Plan Lessons learned I: Recommendations For the Next Decade
https://reader.elsevier.com/reader/sd/pii/S0264410X20306095?token=309AE02AA5EC15C8B367FEEA60E70CE6031901623411A4EBCA2C693314B00DFFEC1B8D1028F79CE2C81D090A1621D867&originRegion=eu-west-1&originCreation=20210723122707