Eighty-eight and counting, the number of measles cases reported so far in the 'Disneyland' outbreak, is a lot -- the largest single eruption since 2000, when the United States was declared essentially measles-free. On the other hand, eighty-eight cases aren't many, considering the population as a whole and compared to the past. Before measles vaccines became commonplace in 1963, according to CDC there were three to four million cases a year with four to five hundred of those people dying.
Measles is only part of a larger picture. Visualize the world I was a child and then parented in. Many of the vaccines available to us now, such as the one for measles, mumps and rubella (MMR), were not yet developed.