Immunization
Definition: Immunization is the process by which an individual's immune system becomes fortified against an agent, typically an infectious disease.…
Read DefinitionPublic Health Glossary
Decode complex terminology and master the language of public health.
Immunocompromised
Definition: An immunocompromised individual has a weakened or impaired immune system, making them more susceptible to infections and severe disease…
Read DefinitionIncidence
The rate of new (or newly diagnosed) cases of a disease. It allows epidemiology to understand the risk of contracting the disease.
Read DefinitionIncubation Period
Definition: The incubation period is the time interval between initial exposure to an infectious agent and the first appearance of…
Read DefinitionIndex Case
Definition: The index case, also known as the primary case, refers to the first identified case of a disease or…
Read DefinitionIndicator
Definition: A public health indicator is a measurable variable that reflects a specific aspect of health, disease, service provision, or…
Read DefinitionInfant Mortality Rate
Definition: The Infant Mortality Rate (IMR) is the number of deaths of infants under one year of age per 1,000…
Read DefinitionInfectious Disease
Definition: Infectious diseases are illnesses caused by pathogenic microorganisms, such as bacteria, viruses, fungi, or parasites, that can be spread…
Read DefinitionInfectivity
Definition: Infectivity is the ability of a pathogen to invade, establish itself, and multiply within a susceptible host, leading to…
Read DefinitionIntervention
Definition: A public health intervention is a planned set of actions or programs designed to improve health outcomes, prevent disease,…
Read DefinitionIsolation
Definition: Isolation is a public health measure that separates individuals who are sick with a contagious disease from healthy people…
Read Definition