A case of polio has been identified outside New York City in Rockland County and confirmed by federal health officials, the New York State Health Department said on Thursday in what would be the nation's first known case of the highly contagious disease in nearly 10 years.

WASHINGTON - President Donald Trump tweeted on Sunday that he is "immune" to the novel coronavirus and "can't give it," even though the White House has not released negative test results and immunity to the virus remains poorly understood.