From the Newsweek article ...
"as long as all those in attendance, including camp counselors, were able to provide documentation of a negative coronavirus test before attending."
"Young attendees at a June overnight camp in Georgia contracted COVID-19 from a counselor"
"staff members were required to wear face masks, "
https://www.macon.com/news/coronavirus/article244633582.htmlThe CDC analysis came with a few limitations, however.
There’s also the chance that campers were infected before or after their time at the overnight camp.
https://www.ajc.com/news/coronavirus/260-coronavirus-cases-tied-to-north-georgia-camp-outbreak/NZDPEZRRUNHT7CVE43JOPUAVSY/The CDC study offered some caveats to the infection rates. Georgia suffered high rates of spread at the end of June, and some of the infections might have occurred prior to or after the camp.
Camp High Harbour is 40 miles from Atlanta.
Atlanta was mostly peaceful the first few weeks of June.