18 Feb | Yesterday's Trivia Subject:
Military Vaccinations
Yesterday's Trivia Challenge Answers
Which vaccine was administered to U.S. service members during World War II primarily to prevent outbreaks in crowded training camps rather than combat zones?
During the Cold War, which vaccine became mandatory for U.S. troops due to fears of biological warfare exposure rather than natural disease prevalence?
The U.S. military resumed mandatory smallpox vaccinations for certain personnel in the early 2000s primarily because of concerns related to what?