Body The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory in response to recent reports of increases in human exposures to rabid or possibly rabid animals and rabies post-exposure prophylaxis (PEP) administration errors. Since July 2026, multiple United States jurisdictions have reported local...

Body What You Need to Know Summer in Southern California brings sunshine, outdoor fun—and a hidden health risk few expect: Valley Fever. With Valley Fever Awareness Month, this is a great time to learn how to recognize it, reduce your risk, and protect your loved ones. What is Valley Fever? Valley...

Body (Santa Ana, CA) - June 27 marks National HIV Testing Day (NHTD), which promotes testing and early diagnosis of HIV (human immunodeficiency virus). This year’s NHTD theme is Level up your self-love: check your status. Now is the time to take an HIV test. Knowing your status is the first...

Body (Santa Ana, CA) - The OC Health Care Agency (HCA) has extended recruitment for the CalOptima Health Board of Directors. As a County-Organized Health System, CalOptima Health serves over 829,000 low-income children, adults, seniors and people with disabilities. CalOptima Health launched in 1995 in response to the local health care...

Body Below are quotes from my otherwise healthy 22-year-old son. He was hospitalized for 4 days last month, after experiencing heat stroke from overexertion while running a half-marathon on a relatively warm day (in the 80’s F). “I don’t know what happened. I was running and then I woke up in...

Body We often think about how to best take care of our physical health as we age, but what about taking care of our mental health? There are many overlaps between the two, but here are some specific tips for keeping your brain and psyche healthy throughout your lifespan. Like physical... Links in this section relate to Body

Body (Santa Ana, CA) - The OC Health Care Agency (HCA) invites the community to participate in National Prescription Drug Take Back Day on Saturday, October 24, from 10 a.m. to 2 p.m. at convenient locations throughout Orange County (OC). The public is encouraged to remove unneeded medications from their homes...

Body (Santa Ana, CA) - The first human deaths associated with West Nile virus (WNV) infection in Orange County in 2026 have been confirmed in older adults this week by OC Health Care Agency (HCA) officials. With a severe season and increased cases reported across California, residents and visitors are urged...

Body (Santa Ana, CA) - Temperatures across Orange County are expected to rise into the upper 90s and low 100s from Friday, October 2, through Wednesday, October 7, 2026. Residents and visitors are urged to take precautions to reduce the risk of heat-related illness. High temperatures increase the risk of heat-related...

Body Key Messages Influenza percent positivity in Orange County has risen steadily since August. Percent of emergency department visits for influenza-like illness have nearly doubled since the start of September. Overall influenza activity is rising much earlier this year compared to prior seasons, when increases usually began in October or November...