COVID-19(15) SARS-CoV-2(8) 2019-nCoV(4) emerging and reemerging infectious disease(3) Prescription surveillance(3) Pharmacy.(3) bioterrorism attack(3) National Official Sentinel Surveillance for Infectious Diseases(3) Japan(2) HBV recurrence(2) Shufeng Jiedu capsule(2) omicron(2) vaccine.(2) Chloroquine(2) pneumonia.(2) coronavirus(2) asymptomatic infections(1) sampling approach(1) oral antivirals(1) Asia(1) real-world data.(1) Arbidol(1) EpCAM(1) model of hospital operation.(1) Milan criteria(1) anti-HBc.(1) fatigue(1) Chronic HBV infection(1) Susceptible-Infected-Removed (SIR)(1) Blood coagulation(1)