I spent a not inconsiderable amount of time on the drive to Yosemite lecturing anyone who cared to listen on the dangers of national parks and how to survive desert hiking (actually of little direct relevance to Yosemite but of general survival interest). I felt we were as well prepared as we could be to tackle a few days in the wild.
Then with a few hundred miles to go, I caught the tail end of a news item on the radio about a recent hantavirus outbreak in the park. I knew all about hantavirus. There was an informative section in my Grand Canyon bible. I knew, for example, there is no treatment or cure and a third of the victims die. I was not happy to hear it was endemic in the very section of the park we were heading for.
I found the appropriate section in the book…
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