@CNN: The US and Europe have seen more than a few outbreaks of mumps in the past couple of years. This resurgence may be due to waning vaccine protection, according to a new study. https://t.co/A6Kyjv7b0J https://t.co/VvaFuo8KlX
The US and Europe have seen more than a few outbreaks of mumps in the past couple of years. This resurgence may be due to waning vaccine protection, according to a new study. https://t.co/A6Kyjv7b0J pic.twitter.com/VvaFuo8KlX
— CNN (@CNN) March 21, 2018