Latest news and live updates as Trump announces the U.S. will send Patriot missiles to Ukraine and meets with NATO's ...

LONDON — More than 14 million children did not receive a single vaccine last year — about the same number as the year before ...

Alberta has now confirmed more measles cases than the entire United States has reported this year. Dr. Lynora Saxinger, an ...

An estimated 14.3 million children globally remain completely unvaccinated, according to a new report, and public health experts point to conflict zones as threatening childhood vaccination efforts ...

Health and Human Services Secretary Robert F. Kennedy Jr. insisted he was doing a "good job" controlling a measles outbreak that he said had neared 1,300 cases this year, the most since the disease ...