Vaccinations made the difference    
 
 Graphic source: https://yourlocalepidemiologist.substack.com/p/routine-vaccinations-sanitation-and 
 
 Graphic source: https://yourlocalepidemiologist.substack.com/p/routine-vaccinations-sanitation-and 
 
 
 Graphic source: https://yourlocalepidemiologist.substack.com/p/routine-vaccinations-sanitation-and