The cases were sent a questionnaire enquiring about symptoms, usage of the pool, activities undertaken in the swimming pool and use of the inflatable.
The children in the swimming pool had become my ventriloquist dummies.
The inflatable comprises the main attraction of the swimming pool at the times it is in use.
Five children had gone to the same public swimming pool during the 2-month period preceding their symptoms.
An electric cable accidentally falls into a swimming pool, causing five swimmers intense pain.
For an analogy, suppose that a large swimming pool is being filled by a high-volume pump.
