Data is cumulative from January 2021 to present.
Statewide COVID-19 Vaccine Breakthrough
Breakthrough data include fully vaccinated individuals, as well as those who have received a booster, who have been hospitalized or died due to COVID-19 or complications from COVID-19.
Breakthrough hospitalizations and deaths may have occurred in weeks prior to the week it was reported.
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
Breakthrough Deaths Due to COVID-19 or Complications
Cumulative Statewide COVID-19 Vaccine Breakthrough Data by Week
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.