WHO calls on world countries to vaccinate children against measles and polio  

The World Health Organization (WHO) called on world countries to vaccinate children against measles and polio, Report informs.

“Every classroom should be filled with happy and healthy children. Without vaccines, children are at risk of entirely preventable diseases such as measles and polio. In 2023, we’re going to push to get vaccination back on track - will you help?” the organization wrote on Twitter.