COVID-19 Vaccine Distribution – Phase and Population Details

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Populations Targeted for Phase 1 & 2 COVID-19 Vaccinations

The County of Sonoma is working with regional healthcare partners to ensure that vaccine distribution and administration is approached through the lens of equity as laid out in its vaccine equity strategies.


Sonoma County Vaccine Distribution Plan

This vaccination distribution plan is reviewed and updated weekly. Updated March 3, 2021.

  • A green check indicates groups that are being offered vaccine
  • A red X indicates groups that are waiting to be offered vaccine

Phase 1a Populations

Started: December 2020

Vaccines are available to all Phase 1a groups – Healthcare personnel at risk of exposure:

Tier 1

  • Acute care, psychiatric and correctional facility hospitals
  • Skilled nursing facilities, assisted living facilities, and similar settings for older or medically vulnerable individuals (includes residents in these settings)
  • EMTs, Paramedics
  • Dialysis Center Staff

Tier 2

  • Intermediate Care (non-continuous nursing supervision)
  • Home health care
  • In home supportive services
  • Community health workers and promotoras
  • Public health field staff
  • Primary care clinics, FQHCs
  • Rural health centers
  • Correctional facility clinics
  • Urgent care clinics

Tier 3

  • Specialty clinics
  • Laboratory workers
  • Dental/Oral health clinics
  • Pharmacy staff

Phase 1b Populations

Started: January 2021

Tier 1

Vaccines are available to all Phase 1b – Tier 1 groups, including:

  • Persons 65 and older
  • Education and childcare – Visit SCOE for priority groups.
  • Agriculture and food manufacturing workers
  • Emergency services
  • Grocery and restaurant workers

Tier 2

All Phase 1b – Tier 2 groups are waiting for vaccine availability:

  • Those at risk of exposure at work in the following sectors:
    • Transportation and logistics
    • Industrial, commercial, residential, and sheltering facilities and services
    • Critical manufacturing
  • Congregate settings with outbreak risk:
    • Incarcerated
    • Homeless

Phase 1c Populations

Approximate Launch: Spring/Summer 2021

All Phase 1c groups are waiting for vaccine availability:

  • Persons 50 -64 years of age
  • Persons 16-49 years of age who have an underlying health condition or disability which increases their risk of severe COVID-19
  • Those at risk of exposure at work in the following sectors:
    • Water and wastewater
    • Defense
    • Energy
    • Chemical and hazardous materials
    • Communications and IT
    • Financial services
    • Government operations / community-based essential functions

More information on risk for adults with certain underlying medical conditions »

Phase 2

Approximate launch: Fall 2021

All Phase 2 groups are waiting for vaccine availability:

  • General population