Football(2) Behaviour(1) COVID–19(1) Anxiety(1) stress appraisals.(1) contact sport(1) home advantage(1) Health(1) Respiratory function tests(1) coping profiles(1) Aerobic fitness(1) social pressure.(1) sedentary living(1) athlete(1) Social support(1) pandemic(1) exercise(1) crowd noise(1) Youth(1) Primary infection(1) interpersonal coping(1) COVID,SARS-CoV-2(1) fatigue.(1) lifestyle(1) Reinfection(1) maximal respiratory pressures(1) competitive athletes(1) Infection(1) acute disease(1) referee bias(1)