Video of the week | What makes measles so contagious

Just this week, Public Health England said that every one person who misses a vaccination is "one too many". There have been 795 cases of mumps in the first three months of 2019, compared with 1031 cases in the whole of 2018. Measles is not far behind in terms of making a comeback, but how does the disease get such a grip, and why does it spread so fast? Check out this video from Stat news to find out more about how measles gets a grip - and remember the most effective way to prevent it is by getting vaccinated. 

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