Coronavirus update: New cases dip in Onondaga County, crowded hospitals get some relief Updated Dec 18, 2020; Facebook Share Syracuse, N.Y. – Onondaga County reported 401 new coronavirus cases today and three additional deaths. While the county continues to see high levels of new cases the numbers are declining a bit. This week’s average daily number of new cases was 331, down from a daily average of 359 last week. But Onondaga County Executive Ryan McMahon warned the caseload may surge again if people don’t limit their upcoming holiday gatherings to small immediate family groups. The three deaths included two more nursing home residents and a 48-year-old man. The county’s coronavirus death toll now stands at 337.