Coronavirus spread among close, casual contacts in ChinaAn investigation by Chinese and US scientists of a cluster of COVID-19 infections in China provides evidence that the coronavirus can spread through casual contacts at social gatherings.The case-contact investigation, published late last week in Open Forum Infectious Diseases, looked at transmission events from a cluster of seven COVID-19 cases in Jiaxing, China, that occurred from mid-January to early February.
The cluster involved four confirmed cases from a family and three confirmed cases thought to be linked to the family through social events, which included a birthday party on Jan 19 and a 2-day wedding party on Jan 22-23.Extensive case tracking was performed on a total of 539