January 28, 2024: COVID Monthly Data Update

County and State Data Updates Data files by county are available for download on the SDDOH dashboard and the weekly hospitalization and death data are shown below.  Numbers for the last couple of weeks may be incomplete.  The case data are significantly underreported since home test results are not included; the graphs depicting newly diagnosed

Epi 101 Mini-Lesson: Why do we use running averages?

A running average smooths out short-term fluctuations in data and highlights longer-term trends.  Fluctuations are due to fewer cases reported on weekends & smaller numbers. Intent is to give a more representative view of what is going on with new COVID cases, or identify trends over time. Below is an example of COVID-19 data from

Saturday, August 15, 2020 Update

I have been tracking COVID-19 data for the last five months, first internationally then nationally. South Dakota and local county (Brookings) data were added later. Below are summary slides as of August 14th with some comments.