As one measles outbreak fizzles out, a new crisis emerges along the Utah-Arizona border. The virus is spreading rapidly, putting communities at risk and sparking fears of a resurgence. What's fueling this dangerous trend?
As one measles outbreak fizzles out, a new crisis emerges along the Utah-Arizona border. The virus is spreading rapidly, putting communities at risk and sparking fears of a resurgence. What's fueling this dangerous trend?