##Ahmadi Hekmatikar A. H., & Molanouri, S. M. (2020). Effect of Exercise on Immunological Indicators During the COVID-19 Pandemic. 23(5), 584-603 [In persian]. doi:10.32598/JAMS.23.COV.6277.1##Andersen, C. J., & Murphy, K. E. (2016). Impact of obesity and metabolic syndrome on immunity. 7(1), 66-75. doi:10.3945/an.115.010207##Ayres, J. S. (2020). A metabolic handbook for the COVID-19 pandemic. 2(7), 572-585. doi:10.1038/s42255-020-0237-2##Blagosklonny, M. V. (2020). From causes of aging to death from COVID-19. 12(11):10004-10021. doi:10.18632/aging.103493##Bornstein, S. R., & Dalan, R., (2020). Endocrine and metabolic link to coronavirus infection. 16(6), 297-298. ## Brickson, S., & Hollander, J.O. (2001). Oxidant production and immune response after stretch injury in skeletal muscle. 33(12), 2010-2015. doi:10.1097/00005768-200112000-00006##Cannon, J. G. (2000). Inflammatory cytokines in nonpathological states. 15(6), 298-303. doi:10.1152/physiologyonline.2000.15.6.298. ##Cardoso, A. M. (2010). The persistence of acute respiratory infections as a Public Health Problem. In: SciELO Public Health. 26(7):1271. ##Chowdhury, M. A., & Hossain, N. (2020). Immune response in COVID-19: A review. 13(11):1619-1629. doi:10.1016/j.jiph.2020.07.001. ##Dixit, S. J. (2020). Can moderate intensity aerobic exercise be an effective and valuable therapy in preventing and controlling the pandemic of COVID-19? 143:109854. doi:10.1016/j.mehy.2020.109854. ##Dragoş, D., & Tănăsescu, M. D. (2010). The effect of stress on the defense systems. 3(1), 10-8. ##Ewers, I., & Rizzo, L. V.(2008). Imunologia e envelhecimento. 6(Suppl 1), S13-S20. ##Fallon, K. (2020). Exercise in the time of COVID-19. Aust J Gen Pract; 49 Suppl 13. doi:10.31128/AJGP-COVID-13 ##Ferreira, M. J., & Irigoyen, M. C. (2020). Physically active lifestyle as an approach to confronting COVID-19. 114(4):601-602. ##Gleeson, M., & Bishop, N. C. (2011). The anti-inflammatory effects of exercise: mechanisms and implications for the prevention and treatment of disease. 11(9), 607-615. doi:10.1038/nri3041 ##Gleeson, M., & McFarlin, B. (2006). Exercise and Toll-like receptors. 12(1), 34-53. ##Guidi, L., & Tricerri, A. (1998). Psychoneuroimmunology and aging. 44(5), 247-261. doi:10.1159/000022021##Hardenberg, J. H. B., & Luft, F. C. (2020). Covid‐19, ACE2 and the kidney. In: Wiley Online Library. 230(1):e13539. doi:10.1111/apha.13539##Hausera, A., & Counottea, M. J. (2020). Estimation of SARS-CoV-2 mortality during the early stages of an epidemic: A modeling study in Hubei, China, and six regions in Europe. 17(7), e1003189. doi:10.1371/journal.pmed.1003189##Honce, R., & Schultz-Cherry, S. (2019). Impact of obesity on influenza A virus pathogenesis, immune response, and evolution. 10;10:1071. doi:10.3389/fimmu.2019.01071##Jordan, S. C. (2021). Innate and adaptive immune responses to SARS‐CoV‐2 in humans: relevance to acquired immunity and vaccine responses. 204(3), 310-320. doi:10.1111/cei.13582##Kazeminasab, F., & Marandi, M. (2017). Effects of a 4-week aerobic exercise on lipid profile and expression of LXRα in rat liver. 19(1), 45-49. doi:10.22074/cellj.2016.4871##Kazeminasab, F., & Marandi, S. M. (2018). A comparative study on the effects of high-fat diet and endurance training on the PGC-1α-FNDC5/irisin pathway in obese and nonobese male C57BL/6 mice. Applied physiology, nutrition, and metabolism, 43(7), 651-662. doi:10.1139/apnm-2017-0614##Laddu, D. R., & Lavie, C. J. (2020). Physical activity for immunity protection: Inoculating populations with healthy living medicine in preparation for the next pandemic. 64, 102-104. ##Lavie, C. J., & Lee, D.C. (2015). Effects of running on chronic diseases and cardiovascular and all-cause mortality. Mayo Clinic Proceedings. 90(11):1541-52. doi:10.1016/j.mayocp.2015.08.001##Leandro, C. G., & Silva, W. T. F. (2020). Covid-19 and exercise-induced immunomodulation. 27(1):75-78. doi:10.1159/000508951##Leung, C., & Wong, A. P. (2020). The role of angiotensin-converting enzyme 2 (ACE2) receptor in the intestine in COVID-19: more research needed. 13(4), 280-281. ## Li, G., & He, X. (2020). Assessing ACE2 expression patterns in lung tissues in the pathogenesis of COVID-19. 112:102463. ##Li, X., & Geng, M. (2020). Molecular immune pathogenesis and diagnosis of COVID-19. 10(2), 102-108. doi:10.1016/j.jpha.2020.03.001##Liu ,J., Li, S., Liu, J., ... Zheng, X. (2020). Longitudinal characteristics of lymphocyte responses and cytokine profiles in the peripheral blood of SARS-CoV-2 infected patients. 102763. 55:102763. ## Lu, R., Zhao, X., Li, J., Niu, P., … Tan, W. (2020). Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding. 395(10224), 565-574. doi:10.1016/S0140-6736(20)30251-8. ##Luzi, L., & Radaelli, M. G. (2020). Influenza and obesity: its odd relationship and the lessons for COVID-19 pandemic. 1-6. 57(6):759-764. doi:10.1007/s00592-020-01522-8. ##Malm, C., & Sjödin, L. B., (2004). Leukocytes, cytokines, growth factors and hormones in human skeletal muscle and blood after uphill or downhill running. 556(3), 983-1000. Medicine. (2020). Staying Active During the Coronavirus Pandemic [Internet]. ##Milner, J. J., & Beck, M. A. (2012). The impact of obesity on the immune response to infection. 71(2), 298-306. ##Nieman, D. C., & Wentz, L. M. (2019). The compelling link between physical activity and the body's defense system. 8(3):201-217. ##Nieman, D. C. (2020). COVID-19: A tocsin to our aging, unfit, corpulent, and immunodeficient society. 9(4):293-301. ##Oshida, Y., & Yamanouchi, K. (1988). Effect of acute physical exercise on lymphocyte subpopulations in trained and untrained subjects. 9(2):137-40. doi:10.1055/s-2007-1024995. ##Peake, J. (2020). Interrelations between acute and chronic exercise stress and the immune and endocrine systems. In Endocrinology of physical activity and sport (pp. 249-266). Springer. ## Pedersen, B. K., & Hoffman-Goetz, L. (2000). Exercise and the immune system: regulation, integration, and adaptation. 80(3):1055-81. doi:10.1152/physrev.2000.80.3.1055##Pedersen, B. K., & Toft, A. D. (2000). Effects of exercise on lymphocytes and cytokines. Pedersen, B. K., & Toft, A. 34(4):246-51. ##Pedersen, B. K. (2000). Exercise and cytokines. 78(5):532-5. ##Prado, W. L. d., & Lofrano, M. C. (2009). Obesity and inflammatory adipokines: practical implications for exercise prescription. 15(5), 378-383. doi:10.1590/S1517-86922009000600012##Prompetchara, E., & Ketloy, C. (2020). Immune responses in COVID-19 and potential vaccines: Lessons learned from SARS and MERS epidemic. 38(1):1-9. doi:10.12932/AP-200220-0772##Raiol, R. A. (2020). Praticar exercícios físicos é fundamental para a saúde física e mental durante a Pandemia da COVID-19/Physical exercise is essential for physical and mental health during the COVID-19 Pandemic. 3(2), 2804-2813. ##Ranasinghe, C., & Ozemek, C. (2020). Exercise and well-being during COVID 19–time to boost your immunity. 18(12):1195-1200. doi:10.1080/14787210.2020.1794818##Sanchis-Gomar, F., & Lavie, C. J. (2020). Obesity and outcomes in COVID-19: when an epidemic and pandemic collide. Mayo Clinic Proceedings. 95(7):1445-1453. doi:10.1016/j.mayocp.2020.05.006 ##Shephard, R. J., & Shek, P. N. (1999). Effects of exercise and training on natural killer cell counts and cytolytic activity. 28(3):177-95. doi:10.2165/00007256-199928030-00003##Shirvani, H., & Rostamkhani, F. (2020). Exercise considerations during coronavirus disease 2019 (COVID-19) Outbreak: A narrative review. 22(2), 161-168. ##Simpson, R. J., & Katsanis, E. (2020). The immunological case for staying active during the COVID-19 pandemic. 87:6-7. ##Simpson, R. J., & Kunz, H. (2015). Exercise and the regulation of immune functions. In Progress in molecular biology and translational science. 135:355-80. doi:10.1016/bs.pmbts.2015.08.001##Tufan, A., & GÜLER, A. A. (2020). COVID-19, immune system response, hyperinflammation and repurposing antirheumatic drugs. 50(SI-1):620-632. doi:10.3906/sag-2004-168 ##Vas, P., & Hopkins, D. (2020). Diabetes, obesity and COVID‐19: a complex interplay. 22(10):1892-1896. doi:10.1111/dom.14134 ##Walsh, N. P., & Gleeson, M. (2011). Position statement part two: maintaining immune health. 17:64-103. ##Wang, J., & Liu, S. (2020). Exercise Regulates the Immune. 1228:395-408. doi:10.1007/978-981-15-1792-1_27##Wolach B., & Gavrieli R. (2005). Transient decrease of neutrophil chemotaxis following aerobic exercise. 37(6):949-54##Wong, C.-M., & Lai, H.-K. (2008). Is exercise protective against influenza-associated mortality? , 3(5):e2108. ##Yan, Z., & Spaulding, H. R. (2020). Extracellular superoxide dismutase, a molecular transducer of health benefits of exercise. 101508. 32:101508. ##Zhou, G., & Liu, H. (2018). Smoking, leisure-time exercise and frequency of self-reported common cold among the general population in northeastern China: a cross-sectional study. 27; 18(1):294. ##