The report is short and in plain language; I encourage people to read the whole thing. At least 260 of 597 campers and staff were infected, many of them in a three day period.

Here are some of the important takeaways.
1) Extremely high attack rate probably well in excess of 50%.
2) The attack rate among children 6-9 was also over 50%. Younger children are not somehow magically resistant.

3) A policy of testing counselors <12 days before arrival appears to have failed—unsurprisingly—to prevent introduction of disease.
. @DiseaseEcology has a more detailed breakdown and interpretation in this thread: https://twitter.com/DiseaseEcology/status/1289298074804711425
You can follow @CT_Bergstrom.
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