SARS-CoV-2, COVID-19, nirmatrelvir-ritonavir, remdesivir, combination therapy, Hong Kong
COVID-19, SARS-CoV-2, nirmatrelvir/ritonavir, paxlovid, molnupiravir, chronic kidney disease, CKD, end-stage kidney disease, renal impairment, dialysis, hemodialysis, peritoneal dialysis
COVID-19, SARS-CoV-2, Omicron variant, BA.2.12.1, BA.4, BA.5 sublineages, immune imprinting, vaccine, neutralizing antibody, hybrid immunity
COVID-19 vaccine, SARS-CoV-2, Omicron variant, mucosal immunity, saliva, IgA