On Friday, more than 100 students were absent from Burton Valley Elementary School—more than four times the normal absence rate, Lafayette School District Superintendent Fred Brill said.
Health officials say there have been two flu deaths in the Sacramento area and influenza cases are increasing throughout the region.
Health officials say flu season is off to its earliest start in nearly 10 years—and it could be a bad one.
The National Park Service has said a ninth visitor to Yosemite National Park has been infected with the rodent-borne illness hantavirus.
Up to 10,000 people who were guests in certain lodging cabins at Yosemite National Park might have been exposed to a deadly mouse-borne virus, park officials confirmed Friday.
Two more Yosemite National Park visitors have been found with a mouse-borne virus blamed for the deaths of two people, bringing the total number of infections to six.
Four Chinese plants that produce chicken jerky treats sold by American companies have refused to allow Federal Drug Administration investigators to take samples for analysis despite complaints from pet owners, according to an NBC report.
The owners of nearly 1,000 dogs say their pets have either died or have been sickened in the past six months after eating chicken jerky treats from China.
A cheaper, less invasive alternative to a colonoscopy is helping many people assess their risk for colorectal cancer, the third most common cancer in both men and women.
Principal Patrick Ruff said Monday that the bug hit more than 500 students and 70 faculty and staff altogether.