NEW YORK (CBSNewYork) — The coronavirus pandemic has left the NYPD in mourning.

Longtime police headquarters custodian Dennis Dickson died from COVID-19 Thursday at Kings County Hospital in Brooklyn.

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Dickson was a 14-year member of the police family.

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The NYPD says he spent 17 days straight cleaning up after Superstorm Sandy and that he was on the frontlines of the battle against the coronavirus, disinfecting 1 Police Plaza before falling ill.

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As of Thursday, 294 uniformed NYPD members and 57 civilian members have tested positive for the coronavirus. A total of 3,674 uniformed NYPD employees were on sick report.