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DHSS adds breakthrough infection data to COVID-19 dashboard


The Missouri Department of Health and Senior Services (DHSS) statewide COVID-19 dashboard is publishing new data that it finds from “breakthrough infections.”

DHSS reports the vaccine remains a strong defense against the virus, and that older age and health co-morbidities are strongly correlated with the “breakthrough infections.”

According to DHSS and the Missouri Hospital Association's (MHA) research, people infected with the coronavirus after being fully vaccinated are termed a breakthrough infection and are still relatively rare.

According to the dashboard, 2% of fully vaccinated people in Missouri developed a breakthrough infection. That's two out of every 100 fully vaccinated Missourians. 87 out of every 100 COVID-19 cases in Missouri occurred in unvaccinated or partially vaccinated people.

More than 6,300 individuals have tested positive for the virus, recovered, and then tested positive again more than 90 days later.

Among fully vaccinated Missourians, 0.02% have died from COVID-19 which is 654 of the more than three million people that have gotten vaccinated.

While breakthrough infections have resulted in hospitalization or death, DHSS says it is largely among people who through a combination of age and illness have some health condition.

Health experts say booster doses of Pfizer-BioNTech, Johnson & Johnson, and Moderna is effective in reducing viral loads of breakthrough infections.

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Leila Mitchell

Leila is a Penn State graduate who started with KMIZ in March 2021. She studied journalism and criminal justice in college.



  1. DHSS says people infected with the coronavirus after being fully vaccinated are still relatively rare. Which is apparently true only in MO. Gibraltar is 100% vaccinated, and cases there are sky high.

    1. I don’t think you understand how counting actually works. We know that some people who are vaccinated can become infected, between April 4 ans Sept 4 2021 in the USA the chances of becoming infected was 6.1 x higher in people who were not fully vaccinated vs. people who were fully vaccinated. That is if you include all vaccines in the pooled vaccinated arm , that number is higher if you just compare with mRNA vaccines vs completely unvaccinated, more like 9x. the chance of dying from COVID were 11.3x higher in unvaccinated compared with pooled vaccinated , more like 18 x if comparing MODERNA and Pfizer only

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