With school reopenings just a few weeks away, a report on how the new coronavirus spread rapidly through a summer camp in Georgia suggests kids transmit the virus very well. Nearly 600 young campers and counselors attended the camp in late June, and of the 344 who were tested for COVID-19, 76% tested positive by mid-July. Three-quarters of the COVID-19 cases for which information was available involved symptoms, including sore throat, headache and fever. The camp opened for staff on June 17 and kids started arriving four days later. The first known case involved a teen camp staff member who developed chills on June 23 and tested positive for COVID-19 the next day. After that, the camp was quickly disbanded and it closed on June 27. Campers, who averaged 12 years of age, hadn't been required to wear masks although camp staff wore masks, the researchers said. There was also a "variety of indoor and outdoor activities, including daily vigorous singing and cheering" -- prime activities for the spread of breath droplets laden with coronavirus. Campers were also housed closely together -- 15 to a cabin, on average -- according to a team led by Christine Szablewski, of the Georgia Department of Public Health. Among the 31 cabins, the COVID-19 infection rate averaged 50%.