Uploaded January 2026 | Updated September 2026, 3 hours ago
What is measles, how dangerous is it and how can we stop its spread? In this explainer, UHN infectious diseases experts Dr. Susy Hota and Dr. Alon Vaisman break down everything you need to know — from how measles spreads, to symptoms, complications, treatment and the critical role of vaccination in protecting communities.
00:00 - Introduction
00:41 - How do you get measles?
01:19 - What are the symptoms of measles?
01:52 - How is measles prevented?
02:37 - Do adults need a measles vaccine booster?
03:06 - Is the measles vaccine safe?
03:46 - How is measles treated?
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UHN is Canada's Hospital and the world's No. 1 publicly funded hospital. With 10 sites and more than 20,000 members of TeamUHN, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education at UHN and West Park Healthcare Centre. As Canada's top research hospital, the scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care.
What is measles, how dangerous is it and how can we stop its spread? In this explainer, UHN infectious diseases experts Dr. Susy Hota and Dr. Alon Vaisman break down everything you need to know — from how measles spreads, to symptoms, complications, treatment and the critical role of vaccination in protecting communities.
00:00 - Introduction
00:41 - How do you get measles?
01:19 - What are the symptoms of measles?
01:52 - How is measles prevented?
02:37 - Do adults need a measles vaccine booster?
03:06 - Is the measles vaccine safe?
03:46 - How is measles treated?
---
UHN is Canada's Hospital and the world's No. 1 publicly funded hospital. With 10 sites and more than 20,000 members of TeamUHN, UHN consists of Toronto General Hospital, Toronto Western Hospital, Princess Margaret Cancer Centre, Toronto Rehabilitation Institute, The Michener Institute of Education at UHN and West Park Healthcare Centre. As Canada's top research hospital, the scope of research and complexity of cases at UHN have made it a national and international source for discovery, education and patient care.
