Question

An outbreak of salmonellosis occurred after an epidemiology department luncheon, which was attended by 485 faculty and staff. assume everyone ate the same food items. sixty-five people had fever and diarrhea, five of these 65 people were severely affected. subsequent laboratory tests on everyone who attended the luncheon revealed an additional 72 cases. the ratio of severe cases to other clinically apparent cases was:

Answer 1

Out of the 485 who ate the same food items, 65 people had fever and diarrhea and five of them were severely affected. If there were 72 cases added based on the laboratory tests, clinically apparent cases will be (65+72) or 137. The ratio of severe cases to other clinically apparent cases was 5/137.