By CBSBoston.com Staff

BOSTON (CBS) – The number of breakthrough COVID cases in Massachusetts increased by 4,738 this week, but the number 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 36,723 people, which is just 0.80% of the 4.6 million people in Massachusetts who are fully vaccinated.

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Last week, the state reported 32,345 breakthrough cases.

Of the breakthrough cases, a cumulative total of 1,155 vaccinated people had been hospitalized as of Saturday, which is up from 1,001 the previous week. Still, that accounts for only 0.03% of vaccinated Massachusetts residents.

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There have been a total of 254 deaths in vaccinated people, up from 217 last week, which marks 0.006% of those who have received the COVID vaccine.

CBSBoston.com Staff