Asymptomatic
Medicine
Lopinavir
Hydroxychloroquine
Ritonavir
Azithromycin
Internal medicine
Retrospective cohort study
Cohort study
Cohort
Pediatrics
Coronavirus disease 2019 (COVID-19)
Virology
Viral load
Virus
Disease
Antiretroviral therapy
Infectious disease (medical specialty)
Microbiology
Biology
Antibiotics
