Ключевые слова: action, adult, agility, american football, athlete, athletic, ball, blue jersey, caucasian, clear weather, competition, daylight, determination, dynamic, eye black, facemask, fast, field, focused, football, game, grabbing, grass, grassy field, helmet, jersey, lunging, male, man, microscopic, movement, one person, outdoor, pathogens, reaching, red helmet, running, shoulder pads, single player, sport, sports, stadium, strength, turf, victory, viral particles, virus, yard line, young adult,