A Nationally Accredited Health Department Since 2017

Katherine O'Toole

bivalent covid-19 vaccine booster - children with masks showing their bandaids

Bivalent COVID-19 Vaccine Booster for 5 Years and Older

An updated Bivalent COVID-19 Vaccine Booster is available. The updated booster provides broader protection against the new COVID-19 virus variants. The updated COVID-19 vaccines add Omicron BA.4 and BA.5 components helping to targeting these Omicron variants that are more transmissible and immune-evading. The bivalent booster also helps to restore protection that had waned since previous

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Holiday Observance


The Winnebago County Health Department is observing the Thanksgiving holiday on Thursday, November 24 and Friday, November 25, 2022. To contact the Winnebago County Health Department about a public health emergency, please call 815-720-4000. For any other issue including to make or change an appointment, please call back during our regular business hours on Monday,

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