47 got sick. we are talking severe cramps, chills, aches, vomiting. some of the people were sick for more than two weeks. the group's organizer who was sick for 19 days and lost 14 pounds says there is a common link between them all. watch.re >> everybody that did get sick at one time during the trip either swam at the pool where the swim-up bar was, or they drank something from the swim-up bar. >> another woman said she spoke with the others at the hotel who were not parrot heads and they also got sick. the centers for disease control and prevention is now looking into at least one of the cases. some of the travelers think the illness could be related o to pesticides because the workers are constantly spraying it. that would mesh with the colorado couple that were ill in the d.r. and got home to be diagnosed with the pesticide poisoning. the dominican republic asked the fbi to help with toxicology