0
0.5
1
1.5
2+
Severe case
47%
unadjusted
Improvement
Relative Risk
Severe case (b)
8%
unadjusted
Case
66%
Exercise for COVID-19 Huang et al. Prophylaxis
Does physical activity reduce risk for COVID-19?
Retrospective 164 patients in China (February - March 2020)
Fewer cases with higher activity levels (p=0.0035)
c19early.org
Huang et al., Nature and Science of Sl.., Nov 2021
Favors exercise
Favors inactivity