Health facilities may be owned and operated by for-profit businesses, non-profit organizations, governments, and, in some cases, individuals, with proportions varying by country.
Table: Age by Sex Weights for SWPE Standardisation A hospital is an institution for healthcare typically providing specialized treatment for inpatient (or overnight) stays.
Others have a mandate that expands beyond offering dominantly curative and rehabilitative care services to include promotional, preventive and educational roles as part of a primary healthcare approach.
Hospitals are nowadays staffed by professionally trained doctors, nurses, paramedical clinicians, etc., whereas historically, this work was usually done by the founding religious orders or by volunteers.
Such laboratories may be divided into categorical departments such as microbiology, hematology, clinical biochemistry, immunology, serology, histology, cytology, cytogenetics, or virology.
Private or community laboratories receive samples from general practitioners, insurance companies, and other health clinics for analysis.