Measles cases are on the rise around the world — including countries with ready access to vaccines. Here in Canada, several cases have been reported, with public health officials encouraging residents to get vaccinated if they aren't already. Infectious diseases specialist Dr. Zain Chagla explains the dangers of measles and provides insight into why a disease thought to be eradicated in some countries is surging once again.For transcripts of The Dose, please visit: lnk.to/dose-transcripts. Transcripts of each episode will be made available by the next workday. For more episodes of this podcast, click this link.