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0 0.5 1 1.5 2+ Case 42% Improvement Relative Risk Exercise for COVID-19  Green et al.  Prophylaxis Does physical activity reduce risk for COVID-19? Retrospective 113,075 patients in Israel (February - December 2020) Fewer cases with higher activity levels (p<0.000001) Green et al., European J. General Prac.., Nov 2022 Favors exercise Favors inactivity

A higher frequency of physical activity is associated with reduced rates of SARS-CoV-2 infection

Green et al., European Journal of General Practice, doi:10.1080/13814788.2022.2138855
Nov 2022  
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Retrospective 113,075 people in Israel, showing lower risk of COVID-19 cases with physical activity and a dose dependent response.
This study includes vitamin D and exercise.
risk of case, 41.7% lower, RR 0.58, p < 0.001, high activity levels 1,267 of 11,144 (11.4%), low activity levels 16,198 of 101,931 (15.9%), adjusted per study, odds ratio converted to relative risk, >3 times per week vs. none, multivariable.
Effect extraction follows pre-specified rules prioritizing more serious outcomes. Submit updates
Green et al., 7 Nov 2022, retrospective, Israel, peer-reviewed, 9 authors, study period 1 February, 2020 - 31 December, 2020.
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A higher frequency of physical activity is associated with reduced rates of SARS-CoV-2 infection
Ilan Green, Eugene Merzon, Shlomo Vinker, Avivit Golan-Cohen, Ariel Israel, Mickey Scheinowitz, Reuven Ishai, Shai Ashkenazi, Eli Magen
European Journal of General Practice, doi:10.1080/13814788.2022.2138855
Individuals who engage with PA were less susceptible to SARS-CoV-2 infection. As the frequency of PA increased, the risk of being SARS-CoV-2-positive decreased. PA may have a possible protective effect against viral infections.
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