The population of the U.S. was about 40% of what it is today, how could the cases been as high.
1948 was probably a peak because of those returning home from World War II.
“Last year the rate of syphilis cases reached its highest since 1991 and the total number of cases hit its highest since 1948.”
Sure, folks are more promiscuous today than they ever have been.
Cases per population. Today I’ll bet that the biggest number of cases are among the homosexual community.