Which of the following statements is/are TRUR ABOUT Covid-19? [Select ALL THAT APPLY] a. COVID-19 infection often begins with malaise, dry cough, dyspnea, fatigue, and feeling of fever. b. Covid-19 infection has incubation period of 2- to 14-day. c. In contrast to the sudden onset people report with influenza, progression of symptoms with Covid-19 virus have a slower onset. d. During early phases of viral sp...