Chapter 25, Problem 1CAE

Summary Introduction

Introduction:

Vibrio is the human and as well as aquatic pathogenic organism which causes diseases to both humans and aquatic creatures like shrimp and fishes.

Case summary:

In New York, Patient A was hospitalized on April 26 with a 2 day history of diarrhea. Investigation revealed that on April 22, patient B had onset of watery diarrhea. Three other people (patients C, D, and E) had onset of diarrhea on April 24. All three patients had vibriocidal antibody titers >= 640. In Ecuador, on April 20, B had bought crabs that were boiled and shelled. B shared crabmeat with F and G, then froze the remaining crab in a bag. Patient A returned to New York on April 21 with a bag of crabmeat. The bag was placed in a freezer overnight and thawed on April 22 in a double-boiler for 20 minutes. The crab was served 2 hours later in a crab salad. The crab was consumed by A, C, D, and E during a 6-hour period. F and G did not become ill.

Characters of the case:

• Patient A, C, D, and E
• People F and G