There is more in your post than just a link between obesity and the severity of medical problems from covid 19.
Covid 19 has a much higher mortality rate than
Also one is a SARS virus and the other a rhinovirus I believe. Which present differently although share common symptoms. Which I guess would be from how the body immune response presents itself regardless of the type of infection.
Also Alabama obesity might be due other factors than
Which can all be thoroughly enjoyed without becoming obese.
Also of those that have been hospitalized or died from covid, a majority might be considered obese. But not all of them fall under that category I believe. Do you know the exact percentage?