Information about emerging diseases, diseases with updated reporting or testing recommendations, agents of bioterrorism, and other medically related information and resources. CD…

Last reviewed January 30, 2019.

List of Reportable DiseasesList of Reportable Diseases (in Orange County) (06/2025)List of Laboratory Reportable Diseases (in California)California Code of Regulations, Title 17, Section 2500,…

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  Photo Source: https://phil.cdc.gov//PHIL_Images/201/201_lores.jpg Acinetobacter is a type of bacteria commonly found in soil and water. There are many species of…

What is avian influenza? Three subtypes of avian influenza A viruses are known to infect people: H5, H7 and H9 viruses. Among these, Asian-lineage H5N1 and H7N9 have caused the majority of human…

Acute flaccid myelitis (AFM) is a rare but serious condition that affects the nervous system, specifically the spinal cord, and causes suddenonset of weakness in limbs (one or more arms or legs) and…

        Photo Source: https://phil.cdc.gov/Details.aspx?pid=7824 Staphylococcus aureus (“Staph”; S. aureus) is a bacteria commonly found on…