Some summer camps hit with COVID outbreaks, raising concern about schools

The U.S. has seen a string of COVID-19 outbreaks tied to summer camps in recent weeks in places such as Texas, Illinois, Florida, Missouri and Kansas, in what some fear could be a preview of the upcoming school year.

In some cases the outbreaks have spread from the camp to the broader community.

The clusters have come as the number of newly confirmed cases of the coronavirus in the U.S. has reversed course, surging more than 60% over the past two weeks from an average of about 12,000 a day to around 19,500, according to data from Johns Hopkins University.

The rise in many places has been blamed on too many unvaccinated people and the highly contagious delta variant....

Dr. William Schaffner, a Vanderbilt University infectious disease specialist, said he isn’t surprised by the outbreaks as camps reopen this year after being closed last summer. He said he had his doubts that some camps “thought through all the implications of camping during COVID.”

Ideally, he said, camps would require vaccinations for adults and for campers who are old enough, and would take other measures such as serving meals in shifts, putting fewer youngsters in the cabins and requiring anyone unvaccinated to wear masks indoors....