CNN  — 

From climate change to superbugs, the World Health Organization has laid out 10 big threats to our global health in 2019.

And unless these threats get addressed, millions of lives will be in jeopardy.

Here’s a snapshot of 10 urgent health issues, according to the United Nations’ public health agency:

Not vaccinating when you can

One of the most controversial recent health topics in the US is now an international concern.