How Vaccine Hesitancy is Reviving Deadly Childhood Diseases
How Vaccine Hesitancy is Reviving Deadly Childhood Diseases: Measles, first identified as a virus in the early 20th century, caused widespread illness and death before the introduction of a vaccine in 1963. The vaccine, developed from a live virus strain isolated from an infected child, revolutionized public health. By the 1970s and 1980s, widespread vaccination […]