The video discusses the resurgence of measles in the US, highlighting an outbreak that began at Disneyland. Despite being declared eliminated in 2000, measles remains prevalent globally. The video explains how the measles vaccine works and the importance of herd immunity, which requires 92-94% of the population to be immunized. Declining vaccination rates, fueled by misconceptions linking vaccines to autism, have led to increased outbreaks. The video emphasizes the need for widespread immunization to prevent further spread.

What are the potential consequences of a measles outbreak?

What factors have contributed to the decline in immunization rates?