An active immune system plays an important role in stopping cancer progression by identifying tumor cells and targeting them for destruction. Any deviation in the normal activities of the immune system...

France and Spain became the latest European nations to impose lockdowns, while Australia joined New Zealand in ordering self-isolation for all arrivals Sunday as the number of coronavirus infections around...

Officials in California were deciding Saturday where to dock a cruise ship with 21 coronavirus cases aboard and four U.S. universities canceled in-person classes as Western countries imitate China by...