Skip to main content

Why is measles so contagious?

228,279 Views

205 Questions Answered

Best of Web

Let’s Begin…

You might be surprised to hear that measles is 10 times more contagious than Ebola or the plague. So what makes the measles virus so contagious? And how do epidemiologists quantify a disease's catchiness? SciShow explores why measles is so dangerous.

The average number of people that a single sick person infects is known as:

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

More from Getting Under Our Skin