![Mexico City’s measles outbreak likely started in a prison](https://cloudfront-us-east-1.images.arcpublishing.com/eluniversal/U6KDQJE6NNBS7NK5W2EPPFOYTM.jpg)
Health authorities are currently performing an inspection at the penitentiary facility
Health authorities are currently performing an inspection at the penitentiary facility
The Health Ministry informed there was a downward trend on vaccinations from 2010 to 2018
Humidity and cold affect our pets’ immune systems