South Korean epidemiologists found that people were more likely to contract the new coronavirus from members of their own households than from contacts outside the home.

The World Health Organization is reviewing a report that suggested the WHO’s advice on the novel coronavirus needs updating, after some scientists told the New York Times there was evidence the virus could be spread by tiny particles in the air.

Olympic officials are discussing measures to combat the spread of a virus that causes vomiting and diarrhea after 42 new cases were confirmed at the Winter Games, a Korean Centers for Disease Control and Prevention (KCDC) official said.

The number of people struck down by a virus causing vomiting and diarrhea at the Pyeongchang Winter Olympics has more than doubled to 86, though athletes remain unaffected, the Korean Centers for Disease Control and Prevention (KCDC) said.