“The Lancet estimated that vaccines against 14 common pathogens have saved 154 million lives over the past five decades—at a rate of six lives every minute. They have cut infant mortality by 40 percent globally and by more than 50 percent in Africa. Throughout history vaccines have saved more lives than almost any other intervention.”
See How Many Lives Vaccines Have Saved around the World
Vaccines are the first step toward health equity in many parts of the world
scientificamerican.com