Kujawa, A., Matuszewska, U., Nykowska, A., Beutler, K., Bijata, B., Burek, D., & Paszkowska, A. (2024). The impact of physical activity on the risk and severity of COVID-19 infection. Journal of Education, Health and Sport, 52, 38–56. https://doi.org/10.12775/JEHS.2024.52.003