Officials say that 33 children were transported to area hospitals on Thursday after falling ill at a summer camp in Lake Placid. Officials say that over the course of two days, campers began falling ill with reports of nausea, vomiting, headaches and fever. The illnesses manifesting in a 911 call on Thursday evening. Highlands County Fire Rescue and EMS responded to 4-H Camp Cloverleaf in Lake Placid around 8 p.m. Thursday. The campers are between the ages of 8 and 13. Camp officials say that 33 of the 120 campers reportedly fell ill. Highlands County Fire and Rescue officials said that none of the illnesses appeared to be serious. Officials tell ABC Action News that all patients have been discharged as of Friday afternoon. Fire officials say that children from Charlotte, Desoto, Sarasota, Palm Beach, Broward, and Miami Dade Counties are attending the camp. Additional children are being evaluated. There is no word on what caused the illnesses at this time. The Highlands County Health Department has determined that Lake Placid is clean, and the food served to children was not contaminated. The remaining 87 campers who did not fall ill all returned home as they normally would have on this final day of the camp. Officials say that the camp will be thoroughly disinfected in anticipation of a new group of campers arriving on Monday, July 2. "4-H Camp Cloverleaf is maintained and cleaned on a regular basis to ensure the health and safety of campers. All camp staff are trained to respond to medical emergencies, and they are certified in first aid and CPR. The UF/IFAS Extension 4-H youth development program is cooperating with the Highlands County Department of Health to determine the cause of the illness and necessary steps to prevent future occurrences. The health and safety of all campers is the primary concern of UF/IFAS Extension staff, and we hope that those experiencing discomfort will quickly return to good health."