on Friday, Dr. Nancy Messonnier, the director of the CDC's Center for Immunization and Respiratory Diseases, said the incubation period for the novel coronavirus, called 2019-nCoV, is an estimated 14 days from the time of exposure to getting sick.
During incubation, patients aren't infectious. Or as Dr. William Schaffner, a professor at Vanderbilt University and the medical director of the National Foundation for Infectious Diseases, describes it, "It’s in my body but it’s not getting out."
CDC的只讲了潜伏期。
而且以上都是记者在写，记者不是专家！ 为什么CDC官网不写？
