By CBSBoston.com Staff

BOSTON (CBS) – The number of breakthrough COVID cases in Massachusetts increased this week, but remains less than 1% of all vaccinated residents.

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 23,858 people, which is just 0.53% of around 4.5 million people in Massachusetts who are fully vaccinated.

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Last week, the state reported 19,443 breakthrough cases.

Of the breakthrough cases, a cumulative total of 762 vaccinated people had been hospitalized as of Saturday, which is up from 651 the previous week. Still, that accounts for only 0.02% of vaccinated Massachusetts residents.

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There have been a total of 162 deaths in vaccinated people, up from 144 last week, which marks 0.004% of those who have received the COVID vaccine.

CBSBoston.com Staff