I just thought of it - are there lots of mosquitoes at the campground?

Warner-Lambert faced a challenge two years ago when it wanted to extend sampling of its anti-itch cream Benadryl to reach heavy users. The drugmaker could hardly rely on doctors handing patients trial packets to send a marketing message to the band of self-treaters who scratch their own itches. It needed to find the people most likely to become victims of poison ivy, mosquito bites, and heat rash. Broad sampling of the over-the-counter drug would be useless. So Warner-Lambert worked out a program with KOA Kampsites, tickling active families with samples at what it calls the "point of itch

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Note added at 18 mins (2007-12-30 21:09:49 GMT)
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As pessoas acampam, aproveitam a vida ao ar livre e...comicham...

Acho que seu texto relaciona-se com o extrato acima.

My suggestion.

Comichão being the itch and the campground being the lugar comichoso.