![Breakthrough COVID-19 infections and deaths rose during delta, but far outpaced by the unvaccinated - ABC News Breakthrough COVID-19 infections and deaths rose during delta, but far outpaced by the unvaccinated - ABC News](https://s.abcnews.com/images/US/Chart_CumulativeBreakthroughCases_v02_sd_1640016148924_hpEmbed_1x1_992.jpg)
Breakthrough COVID-19 infections and deaths rose during delta, but far outpaced by the unvaccinated - ABC News
![Evidence for increased breakthrough rates of SARS-CoV-2 variants of concern in BNT162b2-mRNA-vaccinated individuals | Nature Medicine Evidence for increased breakthrough rates of SARS-CoV-2 variants of concern in BNT162b2-mRNA-vaccinated individuals | Nature Medicine](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41591-021-01413-7/MediaObjects/41591_2021_1413_Fig1_HTML.png)
Evidence for increased breakthrough rates of SARS-CoV-2 variants of concern in BNT162b2-mRNA-vaccinated individuals | Nature Medicine
![Breakthrough COVID cases are rising in Alaska. Here's why, and why vaccines are still 'amazing.' - Alaska Public Media Breakthrough COVID cases are rising in Alaska. Here's why, and why vaccines are still 'amazing.' - Alaska Public Media](https://media.alaskapublic.org/wp-content/uploads/2021/08/Screen-Shot-2021-08-29-at-10.13.16-PM-600x412.png)
Breakthrough COVID cases are rising in Alaska. Here's why, and why vaccines are still 'amazing.' - Alaska Public Media
![Percentage of breakthrough COVID cases in Mass. decreased last week; 62% of new cases among unvaccinated people - masslive.com Percentage of breakthrough COVID cases in Mass. decreased last week; 62% of new cases among unvaccinated people - masslive.com](https://www.masslive.com/resizer/NfyooZI8C2kNAbbH2whrgPTH45w=/1280x0/smart/cloudfront-us-east-1.images.arcpublishing.com/advancelocal/DY4O2MBP5VDHTFZ4W2YGX3IVSY.png)
Percentage of breakthrough COVID cases in Mass. decreased last week; 62% of new cases among unvaccinated people - masslive.com
![CA Public Health on X: "Some fully vaccinated people will still get COVID-19 if they're exposed. These are known as “breakthrough cases.” No vaccines are 100% effective, but fully vaccinated people are CA Public Health on X: "Some fully vaccinated people will still get COVID-19 if they're exposed. These are known as “breakthrough cases.” No vaccines are 100% effective, but fully vaccinated people are](https://pbs.twimg.com/media/E8X16mhXEAMEgL3.png)
CA Public Health on X: "Some fully vaccinated people will still get COVID-19 if they're exposed. These are known as “breakthrough cases.” No vaccines are 100% effective, but fully vaccinated people are
![Breakthrough Case Review Finds 97% of COVID-19 Cases in Vaccinated Individuals Don't Result in Severe Illness | Town of Barnstable Health Breakthrough Case Review Finds 97% of COVID-19 Cases in Vaccinated Individuals Don't Result in Severe Illness | Town of Barnstable Health](https://barnstablehealth.com/wp-content/uploads/2021/12/DPH-1-956x675.jpeg)