Table 1.

General questions on admission.

Have you taken anti-inflammatory drugs in the last 2 months before hospitalization? Please note that some painkillers also contain anti-inflammatory substances	Yes
Which food supplements (vitamin tablets etc.) have you taken in the last 2 months before hospitalization?	No
How good was your mental health on average in the 2 months before hospitalization? Please rate on a scale from 0 (very bad) to 10 (very good)	8
Have you done competitive sports in your life? If yes: a) from when to when? b) which sport?	Yes, athletics (12–25)
Have you ever had illnesses in your life that were caused by COVID-19 virus-like pathogens?	I don’t know
Which vaccinations do you have that not everyone has (e.g. vaccinations needed for certain trips, flu vaccinations,…)?	Flu vaccinations, measles vaccination, chickenpox vaccination