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Measles Information for Clinicians

​April 17, 2019, Update on Measles

San Mateo County Health has confirmed a case of measles in one of their residents who visited Google in Santa Clara County. This case is not connected to previous cases in Santa Clara County, and there is no additional risk to the public. Read the San Mateo County Health statement

Read previous 2019 updates on measles from County of Santa Clara Public Health Department​.

March 29, 2019, Clinical Guidance from the state of California 
Identification and Testing of Suspect Measles Cases - California Health Advisory 
You are welcome to share with your patients our phone line for measles information for the general public: (408) 885-3980.

Reporting cases of measles:

Report suspected or confirmed cases of measles immediately, while the patient is still in your office, by phone to Public Health at (408) 885-4214; after hours, call 408-998-3438 and ask for the Health Officer on call. Call, do not fax.
Consider/suspect measles in patients with a morbilliform rash that begins on the face and fever ≥101°F (38.3°C), especially if unvaccinated. Ask about measles vaccination status, onset, and duration of fever and rash, exposure to other measles cases, travel history, and international visitors in the three weeks prior to illness. See the Measles QuickTool for a complete list of questions to ask.


Clinical tools and resources:


Patient handouts and information:


Santa Clara County measles information for the general public and patients:


Symptoms of measles:



Last updated: 4/18/2019 10:00 AM