Evidence of new virus found in stool samples, journal report says Scientists working to identify the cause of a mysterious respiratory illness that has killed 111 people worldwide are now almost certain that it is associated with a new kind of coronavirus, a family of viruses also responsible for the common cold. One of two groups of scientists whose findings were published online yesterday in separate New England Journal of Medicine articles also said they had found genetic evidence of the virus in some victims' stool samples. The finding lends support to a previously advanced theory that the virus might...