Monitoring Coronavirus Disease 2019 (COVID-19) Through Trends in Influenza-like Illness, Laboratory-confirmed Influenza, and COVID-19-New York State, Excluding New York City, 1 January 2020-12 April 2020

Abstract

Innovative monitoring approaches are needed to track the coronavirus disease 2019 (COVID-19) epidemic and potentially assess the impact of community mitigation interventions. We present temporal data on influenza-like illness, influenza diagnosis, and COVID-19 cases for all 4 regions of New York State through the first 6 weeks of the outbreak.

Keywords: COVID-19; New York; epidemiological monitoring; influenza.

Figure 1.

ILI reported to the Outpatient Influenza-like Illness Surveillance Network, laboratory-confirmed influenza, and laboratory-confirmed COVID-19 reported to surveillance by region in New York State, excluding New York City, 1 January 2020–12 April 12. Capital region: Albany, Clinton, Columbia, Delaware, Essex, Franklin, Fulton, Greene, Hamilton, Montgomery, Otsego, Rensselaer, Saratoga, Schenectady, Schoharie, Warren, Washington counties; Central region: Broome, Cayuga, Chenango, Cortland, Herkimer, Jefferson, Lewis, Madison, Oneida, Onondaga, Oswego, St. Lawrence, Tioga, Tompkins counties; Metropolitan Area region: Dutchess, Nassau, Orange, Putnam, Rockland, Suffolk, Sullivan, Ulster, Westchester counties; Western region: Allegany, Cattaraugus, Chautauqua, Chemung, Erie, Genesee, Livingston, Monroe, Niagara, Ontario, Orleans, Schuyler, Seneca, Steuben, Wayne, Wyoming, Yates counties. COVID-19 cases subject to weekly trends in testing, which typically declines on weekends. Abbreviations: COVID-19 coronavirus 2019; ILI, influenza-like illness.