Coronavirus Disease 2019 (COVID-19) Outbreaks at 2 Construction Sites-New York City, October-November 2020.

During 23 October-16 November 2020, the New York City Department of Health and Mental Hygiene investigated coronavirus disease 2019 (COVID-19) outbreaks at 2 construction sites. Challenges in adhering to the New York State Department of Health "Interim COVID-19 Guidance for Construction" were reported. To minimize outbreaks, jurisdictions should increase tailored outreach to the construction industry, emphasizing infection prevention.