365betÌåÓýÔÚÏßÊÀ½ç±­

The Biden administration is taking new steps to accelerate the U.S. response to monkeypox. Here's the plan as reported cases in the U.S. reach 13,500.

How much should people worry about contracting monkeypox? How does it spread? Should everyone get the vaccine? Who is most at risk? Here's a Q&A.

The line begins to form before sunrise outside Zuckerberg San Francisco General Hospital, with some people arriving as early as 2 a.m., bringing fold-up chairs and blankets to protect against the Bay Area's overnight chill.

Some scientists are taking a new approach to vaccination, making vaccines delivered via nasal sprays or tablets that would deploy more immune defenders to the body's front lines: the lining of the mouth, nose and throat.