Marin County COVID-19 Status Update for September 16, 2021 includes Dr. Santora Explains Boosters Versus Third Doses; What Can You Do to Prevent the Spread of Vaccine Misinformation; What’s the Fuss About Variants; and updated local COVID-19 data.
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The Marin County COVID-19 Status Update is published weekdays and as needed to share important news and resources related to the COVID-19 pandemic and to keep the local economy running. We remain here for you.
Dr. Santora Explains Boosters Versus Third Doses
There have been continued questions in the community about the difference between third doses and boosters in the context of COVID-19 vaccines. Our Deputy Public Health Officer Dr. Lisa Santora provides some clarity to those who are unclear about the differences between the two.
What Can You Do to Prevent the Spread of Vaccine Misinformation?
The first Emergency Use Authorization for COVID-19 vaccine was given in December of last year. Since that time, there has been conflicting information about the risks and benefits of COVID-19 vaccines. How do you separate truth from misinformation?
Here are some tried and true recommendations to make sure you stay informed with the right information:
- Check the source – Look at what is being said. Is it “just the facts” or is it biased? Trusted sources rely on sharing science-driven data, not emotionally charged rhetoric.
- Check the date – This virus was first identified in late 2019. Since that time, our knowledge base of the virus has increased and changed as the breadth of science-based knowledge has increased. Something that was published in the early days of the pandemic may no longer be accurate.
- Check the data and the motive – Is the information ‘clickbait’ or is it supported by science?
For more information, visit the CDC How to Address COVID-19 Vaccine Misinformation webpage.
What’s the Fuss About Variants
Delta’s rate of transmission, or R0, is the reason behind the dramatic increase in the prevalence of the Delta variant since it was first it was first identified in December 2020. The rate of transmission for the original strain of COVID-19 was between 2 – 3 and it is between 5 – 9 for Delta. What this means is a person infected with the original strain would infect an average of 2 or 3 people and each person infected with the Delta variant is likely to infect between 5 to 9 people.
What does this mean for Marin County? The most recent prevalence of variants of Sars-CoV-2 data in Marin shows the Delta variant makes up 100% of the specimens sent to the lab for sequencing. Nationally, the combined proportion of cases attributed to Delta is currently estimated to be greater than 99%.
View the CDC video below to find out What You Need to Know About Variants.
COVID-19 Data Update:
Below is a summary of today’s data now available on Marin Data & Surveillance webpage. View the page for a broader range of data, plus interactive graphs for confirmed COVID-19 cases, hospitalizations and deaths. Data analysis is available by age range, gender, race, and city/town/geographic region. Questions about the data? See our Data FAQ or contact us.
Looking for daily data trends? Our Marin Data & Surveillance webpage uses Tableau dashboards to visualize the impact of COVID-19 in Marin County. Under each dashboard are links to datasets available on Marin County's Open Data Portal.
COVID-19 Case Data |
Today’s Report |
Change from Yesterday |
Total Confirmed Cumulative Cases |
14,503 |
+ 33 |
“Active Cases” (Confirmed in Past 14 Days) |
296 |
- 4 |
Total Cumulative Deaths |
190 |
+ 0 |
Current COVID-19 Hospitalizations |
17 |
+ 1 |
Current COVID-19 ICU Patient Census |
5 |
- 1 |
COVID-19 Vaccination Data |
Today’s Report |
Change from Last Status Update |
Marin residents age 12+ vaccinated with at least one dose |
216,804 |
+ 135 |
Percent of Marin population age 12+ who have received at least one dose |
97.1% |
+ 0.1% |
Percent of Marin population age 12+ who have completed vaccine series. |
90.4% |
+ 0.1% |
Percent of entire Marin population that is “fully immunized” (14+ days post final dose) |
78% |
+ 0% |
Residential Care & Skilled Nursing Facility COVID-19 data: |
Today’s Report |
Change from Yesterday |
Positive Patients at Facilities cumulative |
745 |
+ 1 |
Positive Patients at Facilities current |
10 |
+ 0 |
Positive Staff at Facilities current |
6 |
- 1 |
Facility Patient Deaths |
135 |
+ 0 |
Facility Patient Deaths as percentage of all COVID+ deaths |
71.1% |
+ 0.0% |
State COVID-19 data: |
Today’s Report |
Change from Yesterday |
California Confirmed Cases |
4,387,926 |
+ 7,360 |
California Deaths |
67,187 |
+ 186 |
Other Local and State Data Dashboards:
- Marin Vaccination Data
- California COVID-19 Data and Tools
- California COVID-19 Race & Ethnicity Data
- Tracking Variants across California
Stay Informed
Follow the County of Marin on Facebook, Twitter, Nextdoor or subscribe to our status updates. Visit MarinHHS.org/coronavirus for resources to stay connected on the issue.
Helpful Links and Online Resources:
- Find a vaccine clinic near you
- Free COVID-19 testing
- Frequently Asked Questions
- Apply for Rental Assistance
- Financial Resources for Businesses
- Archive of past status updates
- Subscribe to County of Marin News
Contact Us. We Are Here for You.
Have questions? Contact the CA COVID-19 Hotline seven days a week by dialing (833) 422-4255 for COVID-19 information and resources.
Spread the Word
How your friends and family can receive these updates:
- Text "MARIN COVID" to 468311 to receive text message notifications
- Subscribe online to receive email notifications
- Tweet & share this update with your friends on Twitter!