Health officials in Arizona say there are four linked measles cases in Navajo County, marking the state's first outbreak this ...

Health officials in Arizona say there are four linked measles cases in Navajo County, marking the state's first outbreak this ...

The U.S. logged 122 more cases of measles last week — but only four of them in Texas — while the outbreaks in Pennsylvania and Michigan officially ended. There were 1,168 confirmed ...

As summer approaches, Alberta's measles case counts are expected to keep climbing and some experts worry transmission will ...

As Alberta's measles case counts soar, doctors and scientists are warning parents about the long-term and lesser-known ...