Massachusetts: more than 4,300 #coronavirus breakthrough cases reported – up 28% in a week

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There have been more than 4,300 breakthrough cases reported in Massachusetts as of May 31, according to the state Department of Public Health. 

SalemNews.com report -more than 4,300 vaccine breakthrough cases

4,300 breakthrough cases is an increase of about 28% on the last figure of 3,343 breakthrough cases reported in Massachusetts on the 23rd May 2021:

Massachusetts 3,343 vaccine breakthrough cases

 

 

 

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