Betacoronavirus, Pneumonia, Viral/prevention & control, Coronavirus Infections/prevention & control, Pandemics/prevention & control, Quarantine/organization & administration, Social Isolation, Maternal Health Services/organization & administration, Maternal Mortality/trends, Coronavirus Infections/epidemiology, Coronavirus Infections/mortality, Health Surveillance/organization & administration, Disease Notification/methods, Primary Health Care, COVID-19