1. Participant with the evidence of COVID-19 infection because of one or more of the following: 1) Positive for COVID-19 when performing RT-PCR with upper respiratory tract samples, (oropharyngeal/nasopharyngeal swab) (However, if symptoms of cough or sputum are present, additional RT-PCR is performed using a lower respiratory tract sample (sputum), and registration is possible if all are negative) 2) History of COVID-19, 3) Positive test for COVID-19 (lgM or IgG) antibody at screening,

1. Participant with the evidence of COVID-19 infection because of one or more of the following: 1) Positive for COVID-19 when performing RT-PCR with upper respiratory tract samples, (oropharyngeal/nasopharyngeal swab) (However, if symptoms of cough or sputum are present, additional RT-PCR is performed using a lower respiratory tract sample (sputum), and registration is possible if all are negative) 2) History of COVID-19, 3) Positive test for COVID-19 (lgM or IgG) antibody at screening,