![New York Yankees breakthrough Covid cases in vaccinated team members](https://static01.nyt.com/images/2021/07/16/sports/16mlb-yankees-judge/16mlb-yankees-judge-videoSixteenByNine3000.jpg?year=2021&h=1688&w=3000&s=fe1cf08952812e7b949d91cff079d42c31d774b339887cfdc4944c5ff50d3c1b&k=ZQJBKqZ0VN&tw=1)
Yankees Add Aaron Judge and Two Others to Covid-19 Injured List
![New York Yankees breakthrough Covid cases in vaccinated team members](https://images.theconversation.com/files/413418/original/file-20210727-17-swnq10.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
What is a breakthrough infection? 6 questions answered about
![New York Yankees breakthrough Covid cases in vaccinated team members](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w640/mlb/yj1d7c5ofojw9li5dig6)
Yankees COVID-19 updates
![New York Yankees breakthrough Covid cases in vaccinated team members](https://arc-anglerfish-washpost-prod-washpost.s3.amazonaws.com/public/WGB76KFSTYI6XPEW7X2V3ZB354.jpg)
Opinion Vaccines didn't stop the Yankees' covid-19 outbreak. But
![New York Yankees breakthrough Covid cases in vaccinated team members](https://nypost.com/wp-content/uploads/sites/2/2021/05/The-Yankees-were-scheduled-to-play-the-Tampa-Bay-Rays-on-Tuesday..jpg?quality=75&strip=all)
Yankees have two more 'breakthrough' COVID-19 cases
![New York Yankees breakthrough Covid cases in vaccinated team members](https://media.wired.com/photos/609d5fff30981f87432bec0a/master/w_2560%2Cc_limit/Science_yankees_covid_1256175785.jpg)
The Yankees Covid Outbreak May Be Bad News for Ditching Masks
![New York Yankees breakthrough Covid cases in vaccinated team members](https://bostonglobe-prod.cdn.arcpublishing.com/resizer/nswJGpPS_IESNDYRtMbzsIF15iE=/960x0/cloudfront-us-east-1.images.arcpublishing.com/bostonglobe/NPLBV7SNZ4OCTYZOPK33AUONNM.jpg)
Chris Sale's revelation that he's not vaccinated against COVID-19
![New York Yankees breakthrough Covid cases in vaccinated team members](https://nypost.com/wp-content/uploads/sites/2/2021/05/phil-nevin-yankees-covid.jpg?quality=75&strip=all)
Yankees' Phil Nevin tests positive for COVID-19 in 'breakthrough
![New York Yankees breakthrough Covid cases in vaccinated team members](https://scitechdaily.com/images/COVID-19-Vaccine-Coronavirus-Vaccination.jpg)
What Is a Breakthrough Infection? What You Need to Know About
![New York Yankees breakthrough Covid cases in vaccinated team members](https://media.nbcnewyork.com/2021/05/GettyImages-1232595605-e1621183824839.jpg?quality=85&strip=all)
EXPLAINER: Why Did Yankees Test Positive for COVID After
![New York Yankees breakthrough Covid cases in vaccinated team members](https://www.statnews.com/wp-content/uploads/2021/07/AP21202560048172.jpg)
How concerned should we be about breakthrough coronavirus infections?