Interactive Tool: Masks & COVID-19

Big thanks to @BenMarten for his excellent collection and comparison of masks and cases data. We took his data and embedded it here in several sheets. Feel free to play around with the filters on the right and let us know what information you find. The data takes county-level cases and deaths (per 100K population […]

Deaths, Data and COVID-19: A Deadly Dose of Daily Confusion

The news reports continue to blast scandalous headlines about the number of deaths per day here in the United States from COVID-19. Our new interactive tool gives you a very different and more accurate view.

Stay-at-Home Orders Don’t Work. They May Have Made Things Worse

As the COVID-19 pandemic starts to wane from its horrible entrance onto the international scene the data is now coming in to test the viability of NPI (non-pharmaceutical interventions). The CDC has published and updated a specific database tracking the “stay-at-home” orders across the country down to the county level.

“COVID-Like” Illnesses Tells Us a LOT about COVID

Kyle Lamb discusses the impact of dying OF COVID-19 vs. dying WITH COVID-19 and the craziness which ensues among healthcare providers identifying cases with “COVID-like” illnesses.

COVID-19 Florida Fatality Rate STILL Dropping

There has been a great deal of concern about rising numbers of COVID-19 cases in Florida, but the real question is whether these cases translate into correspondingly large numbers of deaths; as we’ll show below, this is unlikely because people who get sick now are far less likely to suffer adverse consequences than they were in April or May.

Completely and Utterly Unusable: Texas Testing Rates

What a week! After our team broke this story regarding anomalies with testing numbers coming out of the Texas DSHS on Sunday 8/9, with additional tweet series every day through Wednesday, the story began to gain traction with major news outlets. A quick recap:

Putting Florida COVID-19 Deaths in Context

We get strong objections from people who say any reassuring information could cause people to let their guard down. They say that older people are at great risk because that graph says 1 in 5 cases (20%) of people over 85 will die. That ignores the original argument: young, healthy people are not in danger. (

“Who” Gets the Virus is More Important Than “How Many”

We’ve noted on several occasions that the most important question/answer you can seek in your quest to understanding the impact of COVID-19 is “Knock, knock, who’s there?”

Welcome to Rational Ground

Welcome to If you are interested in learning more be sure to join our newsletter for the latest news, charts, memes, and studies around COVID-19, the shutdowns and the impact on society.

We represent a strong and varied force of experts, data analysts, demographers, and lay citizens determined to quell the irrational forces impacting our lives from the COVID-19 pandemic.

COVID-19 fatality rate is still dropping rapidly in Florida

Even with the deaths through August 10 added to the data, the death rate for people who tested positive for COVID in June or early July was much lower than it was in April.

Expert: COVID-19 decisions based on potentially misleading statistic

Dr. Rebel Cole, a data scientist and professor of finance at FAU, says random sampling is the best way to track the virus.

How Latinos May Have Saved Southern California

It very well may be that Latinos and their unbreakable affinity for family and fun and gatherings… may be the single best thing to place a “brake” on #COVID19 in SoCal.

COVID-19 State Compare Tool