Regular Flu is tracked by the ILI - National, Regional and State https://gis.cdc.gov/grasp/fluview/fluportaldashboard.html Covid Each State has an official page for tracking, others come from Hopkins and other Data feeds and no real consistent metric meaning all use the same. PROJECTION MODELS COVID https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/forecasts-cases.html https://covid19.healthdata.org/united-states-of-america https://covidactnow.org/ This group posts cases per 100k for each state and county.