Betacoronavirus/immunology, Pandemics/statistics & numerical data, Viral Vaccines/supply & distribution, Coronavirus Infections/prevention & control, Pneumonia, Viral/prevention & control, Brazil/epidemiology, Local Health Systems/economics, Healthcare Financing, Intensive Care Units/statistics & numerical data, Ventilators, Mechanical/supply & distribution, Hospital Bed Capacity/statistics & numerical data, Health Centers, Primary Health Care/organization & administration, Coronavirus Infections/epidemiology, Pneumonia, Viral/epidemiology, Intubation, Hypnotics and Sedatives/supply & distribution, Epidemiological Monitoring, Health of Indigenous Peoples, Health Information Management, Unified Health System/organization & administration, Strategic Stockpile/statistics & numerical data, Brazilian Health Surveillance Agency, Mass Vaccination/organization & administration, COVID-19, Astrazeneca