The medical examiner said Friday that the latest victims were in Queens and Brooklyn.
Their deaths were caused by hyperthermia, with underlying conditions.
They included a 30-year-old woman, who died on July 22 in Queens.
A 36-year-old woman died on July 23 in Brooklyn.
A 64-year-old woman died on July 24 in Brooklyn.
And a 33-year-old man died on Aug. 1 in Brooklyn.
All of the previous victims were elderly, except for a 10-year-old Brooklyn girl.
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