BOSTON — State health officials reported Friday that 1,798 people in Massachusetts have tested positive for COVID-19 after being fully vaccinated. Those positive case numbers are as of April 27.
Those breakthrough cases -- defined as a positive case of COVID-19 in someone fully vaccinated for more than 14 days after a complete series -- represent 0.1% of the fully vaccinated people in Massachusetts. As of April 27, more than 2.3 million people were fully vaccinated in the commonwealth.
The Centers for Disease Control and Prevention said that breakthrough cases occur in only a small percentage of vaccinated people.
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