Subject(s)

Adjuvants, Immunologic/therapeutic use , Betacoronavirus/immunology , Coronavirus Infections/drug therapy , Imiquimod/therapeutic use , Pneumonia, Viral/drug therapy , Toll-Like Receptor 7/immunology , Betacoronavirus/drug effects , COVID-19 , Coronavirus Infections/immunology , Coronavirus Infections/prevention & control , Drug Repositioning/methods , Humans , Immunity, Innate/drug effects , Pandemics/prevention & control , Pneumonia, Viral/immunology , Pneumonia, Viral/prevention & control , SARS-CoV-2 , COVID-19 Drug Treatment