On April 18, 2023, the U. S. Food and Drug Administration (FDA) amended the emergency use authorizations (EUAs) of Moderna and Pfizer-BioNTech COVID-19 bivalent mRNA vaccines. This…

The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to inform healthcare providers, laboratory professionals, healthcare facility…

(Santa Ana, CA) – The OC Health Care Agency (HCA) has confirmed a case of measles in an adult international traveler visiting Orange County (OC). The person visited the following locations…

A case of measles has been confirmed in an adult who traveled to Orange County. The person began having symptoms prior to arrival. Potential exposures may have occurred at several locations in…

The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify healthcare providers, public health authorities, and the public about current…

The Centers for Disease Control and Prevention (CDC) is issuing this Health Alert Network (HAN) Health Advisory to notify clinicians and public health authorities of an increase in Oropouche virus…

It’s summertime! Enjoy your time outside, but don’t forget to take precautions to keep yourself and your family safe in the sun and heat. For tips about preventing heat-related illness,…

The Centers for Disease Control and Prevention (CDC) recommends that children between the age of 3 to 5 years be physically active throughout the day for growth and development. Children and…

Summer is coming to an end and now it’s time to get ready for a new school year. If you haven’t already, make an appointment for a well child visit with your child’s doctor and make sure your child…

A resident of Huntington Beach has tested positive for West Nile Virus (WNV) infection, becoming the first human WNV case in Orange County this year. In 2023, Orange County had seven WNV infections,…