NEW CITY, N.Y. (CBSNewYork) — There are new developments in a coronavirus cluster tied to a party in Rockland County.

The county executive’s office says eight people who tested positive for COVID-19 are now complying with contact tracing efforts.

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Health officials say they were among dozens of people who attended a party in New City on June 17.

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Authorities issued subpoenas after guests who contracted the virus initially refused to cooperate.