Betacoronavirus, Coronavirus Infections/epidemiology, Pneumonia, Viral/epidemiology, Pandemics/statistics & numerical data, Hospital Bed Capacity/statistics & numerical data, Intensive Care Units/statistics & numerical data, Public Health Laboratory Services, Coronavirus Infections/diagnosis, Pneumonia, Viral/diagnosis, Investments/economics, Specimen Handling, Polymerase Chain Reaction/methods, Unified Health System/organization & administration, Local Health Systems, COVID-19