Zoonoses

Zoonoses (plural) are infectious diseases that have jumped from animals to humans. Rabies is an example of a zoonosis (singular form).

Vaccination

Vaccination is the act of introducing a vaccine into the body either by injection, orally (in the mouth) or sprayed into the nose. The vaccine uses your body’s natural defenses to produce protection against a specific disease. In most cases, vaccination, inoculation (link), and immunization (link) are the same thing.

Social justice

Social justice addresses issues related to fairness in public health: a better distribution of opportunities and resources (such as money) among groups that have historically been at a disadvantage.

Prevalence

Prevalence generally refers to the proportion of a population affected by a disease at a given time, usually expressed as a rate or percentage. Compare with incidence (link).

Pandemic

A pandemic is when an epidemic spreads across borders, even the entire world. Compare with “epidemic”.

Outbreak

An outbreak is when the number of cases within an area and in a certain time period is higher than what we would normally expect. Compare with “epidemic”.

Latent period

The latent period (synonyms: exposed period, latency period) is generally considered as the period of time that starts with exposure to a virus and ends when symptoms first appear. The latent period is often considered the incubation period (link) of the virus and the person is not generally infectious (link) at this time. In some instances,…

Infectious period

The infectious period is when an infected person can spread the disease to others.  In some specific contexts, the infectious period ends when a person recovers from the disease and not when symptoms disappear.

Immunize

To immunize, or immunization (noun), is a process by which a person becomes protected against a disease through vaccination. This term is often used interchangeably with vaccination or inoculation.

Immunize

To immunize, or immunization (noun), is a process by which a person becomes protected against a disease through vaccination. This term is often used interchangeably with vaccination or inoculation.