Squirrel burrows in the area near Gorman will be dusted for fleas, and further testing will be conducted before the campground is reopened, officials said.
Visitors to /*Los Alamos Campground*/ are advised to avoid squirrels and chipmunks and stay clear of animal burrows, which often have fleas.
There have been four cases of human plague in Los Angeles County since 1984, none of which were fatal, officials said.