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Alert Message: Anyone, 6 months of age and older, is eligible to receive the COVID-19 vaccine. Find your nearest vaccination location at

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Vaccine Breakthrough

Data is cumulative from January 2021 to present.

Data is updated weekly on Wednesdays and is current through ##/##/####

Statewide COVID-19 Vaccine Breakthrough


% of Fully Vaccinated Population


% of Fully Vaccinated Population

Breakthrough data include fully vaccinated individuals who have been hospitalized or died due to COVID-19 or complications from COVID-19.

Statewide COVID-19 Vaccine Breakthrough with an Underlying or Immunocompromising Condition


Breakthrough deaths and hospitalizations due to COVID-19.

Statewide COVID-19 Vaccine Breakthrough Age Demographics

Breakthrough Hospitalizations Due to COVID-19

Age Group Hospitalizations Percentage

Breakthrough Deaths Due to COVID-19 or Complications

Age Group Deaths Percentage

Cumulative Statewide COVID-19 Vaccine Breakthrough Data by Week

Report Date Hospitalizations Deaths

Breakthrough is defined as an individual who tests positive for COVID-19 at least 14 days after being fully vaccinated and did not test positive in the previous 45 days.

Following CDC, IDPH is reporting only patients with COVID-19 vaccine breakthrough infection that were hospitalized or died to help maximize the quality of the data collected on cases of greatest clinical and public health importance.

Data represents the cumulative total of breakthrough hospitalizations and breakthrough deaths by date reported on the IDPH website. Breakthrough hospitalizations and deaths may have occurred in weeks prior to the week it was reported.