"We're discussing whether to do that and how to do that," said Dr. David Wong, chief of the epidemiology branch of the National Park Service Office of Public Health.
Yosemite officials say 1,700 visitors risk disease →
"We are seeing more than one person who got it in a narrow space and time," he said. "It makes us wonder why, and those are questions we don't have the answers to."
Yosemite officials say 1,700 visitors risk disease →
