> Then "days later" "hundreds of people" become ill at the church. Days later, South Korean health officials tested people thought to have been in contact wit

> Then "days later" "hundreds of people" become ill at the church. Days later, South Korean health officials tested people thought to have been in contact with the patient, and hundreds of those tests came back positive. The article doesn't say whether any of those tested showed symptoms (of any illness); the incubation period really isn't relevant.