50 years later, vaccines have eliminated some diseases
Excerpt from the November 19, 1966, issue of Science News
VACCINE POWER Vaccines provide a crucial line of defense against some diseases such as measles and rubella, but other illnesses have frustrated development efforts.
Library of Congress
More vaccines promised — “The decline of poliomyelitis among more than 350 million people of the world … (offers) a promise of vaccines that will soon be used against other diseases considered hopeless or untreatable until recently.