County of Marin Health and Human Services

Influenza Surveillance Update - Week Ending February 1, 2020

Information on Service Adjustments During the COVID-19 Emergency

HHS is the County’s largest department with more than 700 employees who work at many sites throughout Marin. Many HHS offices have reopened with limited staffing to the public. Staff will continue to provide services remotely when possible for safety reasons, and residents in need of HHS services should consider conducting conversations over the phone or email when possible. Please call ahead if you have an appointment or require in-person assistance.

  • Adult Protective Services: (415) 473-2774.
  • Skilled Nursing/Assisted Living Ombudsman: (415) 473-7446.
  • Child Protective Services: (415) 473-7153.
  • Public Assistance Call Center (Medi-Cal, CalFresh, CalWorks): 1 (877) 410-8817.
  • General Relief: (415) 473-3450.
  • Behavioral Health and Recovery Services Access Line: 1 (888) 818-1115.
  • For information on resources and services specifically for older adults (persons 60+), persons with disabilities and family caregivers, call (415) 57-INFO (415) 457-4636 or email 457-INFO@marincounty.org.
  • HHS created a phone hotline, (415) 473-7191 (CRS 711), and an online contact form, for residents to contact staff with questions or concerns about the virus and about the county and community response. The call center is open from 9:30 a.m. to noon and 1 to 5 p.m. weekdays, and interpreter services are available.
  • Dial 711 for CA Relay Service (link is external)

 

Marin

Local influenza activity continues to increase in Marin County with a spike in activity seen during January 2020. To date, the 2019-2020 flu season has been more severe  than the 2018-2019 season. It is not too late to get the flu vaccine if you haven't already. You can find out where to receive the flu vaccine here.

Influenza-like Illness Activity

Influenza-like illness activity in Marin County has remain elevated levels since early November, with a larger spike in activity seen starting in mid-December. Discharge data from Kaiser San Rafael, MarinHealth, and Novato Community Hospital emergency departments showed the percentage of visits associated with influenza-like illness (ILI) was 14.6% during week 5 (Jan.26-Feb.1). See Figure 1 below.

Figure 1. Proportion of Visits due to Influenza-Like Illness (ILI):  Kaiser San Rafael, MarinHealth Medical Center, and Novato Community Hospital Emergency Departments, 2017-2018, 2018-2019, and 2019-2020 Influenza Seasons

flu_jan_20.png

Influenza testing: During week 5 (Jan. 26 - Feb. 1),  44 (21.5%) of the 133 specimens tested for influenza were positive. During this influenza season through February 1, 354 specimens have tested positive for influenza. See Figure 2 below. 

Figure 2. Influenza Tests in Marin County, 2019-2020 Influenza Season

flu_lab_feb_20.png

Influenza Related Deaths: There have been two influenza-related deaths of older adults (>65 years old) in Marin County during the 2019-2020 flu season.

Note: Marin County now includes number of influenza-related deaths in our influenza communications. This does not indicate an increase in deaths compared to previous flu seasons, but a change in reporting procedures.
 

California

The geographic spread of influenza activity in California was widespread during week 4 (Jan.19-25).
Outpatient influenza-like illness and hospitalizations were above expected levels.
Visit the California Department of Public Health’s influenza website here for more information.

United States

National influenza activity remained high and continued to increase during week 4 (Jan.19-25).
For additional national influenza data, visit the Center for Disease Control and Prevention's influenza surveillance website here.

Novel Coronavirus (2019-nCoV): The risk from novel Coronavirus in the U.S. remains very low and Marin County residents are at a much greater risk of contracting the flu. You can find local information about novel Coronavirus here.

If you have any questions or comments please contact:
Lisa Santora, MD
Deputy Public Health Officer
(415) 473-4163

This publication is provided to you by the Office of the Public Health Officer, County of Marin Department of Health and Human Services.

Sources

California Department of Public Health. https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/Immunization/Influenza.aspx. Accessed 2/4/20.

Centers for Disease Control and Prevention. https://www.cdc.gov/flu/weekly/index.htm. Accessed 2/4/20.

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