Diseases

Learn more about diseases and find local information.

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Masks are required for patients, visitors, and staff in patient care areas of health care delivery facilities in Santa Clara County from November 1 through March 31 of each year.

For more information, visit our Public Health Orders webpage.

Respiratory virus season is here - stay up to date on your vaccines to help prevent sick days and protect yourself and others!

Vaccines are the best defense against respiratory viruses. Everyone aged 6 months and older should get the updated 2024-2025 flu and COVID-19 vaccines. RSV vaccines are also recommended for some older adults, pregnant people, and infants - learn more here.

Schedule a vaccine appointment by visiting vaccines.gov or contacting your healthcare provider or local pharmacy.

Feeling sick? Read our respiratory virus guidelines.