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Selected Location: Zip Code 19711 | Population: 53,194

Breakthrough Cases

Only available at the state level
Last Updated: 04/08/2022

Vaccine breakthrough cases are expected. COVID-19 vaccines are effective and are a critical tool to bring the pandemic under control. However, no vaccines are 100% effective at preventing illness in vaccinated people.

Of the 610,323 fully vaccinated Delawareans, there have been 23,037 breakthrough cases of COVID-19, roughly 3.77%.

Total Fully Vaccinated

67% of eligible population

610,323
Total Breakthrough Cases

3.77% of Delawareans who have been fully vaccinated

23,037

The total number of breakthrough cases shown is based on verified information provided by interviewed cases. Efforts are underway to provide more complete information by data matching positive cases (regardless of ability to be reached for an interview) with the state’s vaccine database, DelVAX. Therefore, the cumulative number of breakthrough cases may be updated in the future to reflect new and more complete information. A note announcing this change will be posted when implemented.

DPH will replace the below metric on breakthrough cases, with data showing the percent of individuals with COVID who are not up to date on their vaccines as it is a more useful indicator. Until that is implemented, we will no longer update the breakthrough case data.

Trend Comparison: Fully Vaccinated and Deaths among All Delawareans

Last Updated: 09/30/2022 11:06 AM

Positive Cases Data

Last Updated: 09/30/2022 11:06 AM
Total Positive Cases
14,231
2,573.0 per 10,000 people
Cumulative Number of Confirmed Positive Cases
13,383
Cumulative Number of Probable Positive Cases
848
View more case data

Data are current as of 9pm the previous weekday. Last update: 09/29/2022

Deaths Data

Last Updated: 09/30/2022 11:06 AM
Total Deaths
113
18.0 per 10,000 people
Confirmed Deaths
101
Probable Deaths
12
View more death data

Data are current as of 9pm the previous weekday. Last update: 09/29/2022

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