INVESTIGATING THE COVID-19 SAFETY COMPLANCE LEVEL IN SECONDARY SCHOOLS CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF STUDY Coronavirus pandemic 2019 (COVID-19) is the latest infectious disease to develop rapidly worldwide (Van Doremalen, 2020), to the extent of a severe global pandemic [McDowel, 2020]. The etiologic agent of COVID-19 is the severe acute respiratory syndrome coronavirus 2 […]