Health & Wellness 6 hours ago Status of respiratory viruses as holiday season kicks into high gear The three big respiratory viruses that surge during this time of the year are mostly low in California and nationwide. Kris Sanchez reports. US & World Videos 4:23 Could a drug used to treat asthma prevent allergies? 1:05 Stanford researchers need brain health study participants 1:07 Watch: How to Handle Possible Mental Health Issues in Children 2:41 Eating Healthy to Stay Healthy During Flu, COVID-19 Season 2:30 Adults Gain 1.5 Pounds Per Month During Pandemic: UCSF Study