https://www.mercurynews.com/2021/07/22/stanford-reports-seven-covid-cases-in-vaccinated-students/

Seven vaccinated Stanford students tested positive for the coronavirus this week, the university announced on Thursday, days after it loosened COVID testing requirements for inoculated students and staff living on campus.

In an email to students, the university alerted that all of the newly infected students were symptomatic. It did not provide details whether the cases were connected or part of a specific outbreak.