By CBSBoston.com Staff

BOSTON (CBS) – The number of breakthrough COVID cases in Massachusetts increased by 6,610 this week.

On Tuesday, the state released its weekly report on the number of cases in vaccinated people.

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The cumulative count this week was 77,647 people, which is 1.6% of the 4.8 million people in Massachusetts who are fully vaccinated.

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Last week, the state reported 71,037 breakthrough cases.

Of the breakthrough cases, a cumulative total of 2,443 vaccinated people had been hospitalized as of Saturday, which is up from 2,285 the previous week. Still, that accounts for only 0.05% of vaccinated Massachusetts residents.

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There have been a total of 586 deaths in vaccinated people, up from 552 last week, which marks 0.01% of those who have received the COVID vaccine.

CBSBoston.com Staff