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St. Charles County COVID-19 Vaccine Information

Posted on: September 8, 2022

Sept. 8, 2022 | Public Health Offers Bivalent COVID Booster Vaccination Appointments

September 8, 2022

ST. CHARLES COUNTY, MO – The St. Charles County Department of Public Health has received shipment of the recently authorized Pfizer-BioNTech (Pfizer) and Moderna bivalent COVID-19 booster vaccinations. Appointments are now available for eligible individuals. Bivalent boosters target two strains of the virus that causes COVID — the original strain and two of the Omicron variants (BA.4 and BA.5), which are the current most widespread variants in the world.

To schedule a bivalent booster vaccination appointment with the Department of Public Health, visit

Eligible individuals for the bivalent booster include those who have completed their primary vaccination series or received a booster dose for the Pfizer, Moderna or Janssen (Johnson & Johnson) vaccines at least two months prior. The Pfizer booster is authorized by the U.S. Food and Drug Administration and the Centers for Disease Control and Prevention for individuals ages 12 and older, while the Moderna booster is authorized for those ages 18 and older. Eligible individuals may choose to receive either of these booster doses, regardless of which primary series or original booster dose they had previously.

Individuals ages 6 months and older who have not yet been vaccinated, or who have not completed their primary vaccination series, may continue to schedule appointments to receive the primary series of the Pfizer, Moderna, or Janssen vaccines. To schedule appointments for primary or booster doses, visit

For additional information on St. Charles County’s efforts to reduce the spread of illness, visit For questions about symptoms or testing, call the St. Charles County COVID-19 Information Hotline at 636-949-1899 or speak with a medical provider.


Media Contact:  Doug Bolnick, Public Information Officer, 636-949-7408 or

About the St. Charles County Department of Public Health

Through the efforts of its three divisions — Environmental Health and Protection, Health Services and Humane Services — the St. Charles County Department of Public Health provides a wide range of services that enhance the well-being of the community. To learn how the department assists this region or to find out about volunteer opportunities with any of the divisions, visit or call 636-949-7400.

About St. Charles County

St. Charles County, Missouri, founded in 1812, is one of the fastest growing counties in Missouri. With a population of 405,262, is it the state’s third largest county. It is home to 21 scenic county parks of which four are in reserve, encompassing 4,197 acres.

With one of the largest economies in the state, St. Charles County is home to multinational companies including General Motors, Citi, MasterCard Worldwide and Boeing. It is ranked among the top 25 counties in the nation in high-tech job growth by the Progressive Policy Institute and consistently has the lowest unemployment rate in the Metropolitan St. Louis area. 

St. Charles County Government has more than 1,170 employees in more than 30 departments and offices who work to make the county an excellent place to live, work and shop. For more information, please visit

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