This is the first time they admitted that there are many Breakthrough cases.
"Huang received both doses of the Pfizer vaccine back in March but is now one of many vaccinated individuals experiencing a breakthrough case of COVID-19 due to the rapidly spreading Delta variant."
https://abc7.com/breakthrough-covid-usc-student-covid-19-symptoms-loss-of-smell/10968629/
"Huang received both doses of the Pfizer vaccine back in March but is now one of many vaccinated individuals experiencing a breakthrough case of COVID-19 due to the rapidly spreading Delta variant."
https://abc7.com/breakthrough-covid-usc-student-covid-19-symptoms-loss-of-smell/10968629/