Useful english dictionary. 2012.
case fatality rate — the proportion of persons contracting a disease who die of that disease: the numerator is the number of deaths caused by a disease and the denominator is the number of diagnosed cases of the disease. Called also case fatality ratio, fatality r.,… … Medical dictionary
Transmission and infection of H5N1 — from infected avian sources to humans is a concern due to the global spread of H5N1 that constitutes a pandemic threat.Infected birds pass on H5N1 through their saliva, nasal secretions, and feces. Other birds may pick up the virus through direct … Wikipedia
Influenza vaccine — A vaccine is an inoculation designed to increase immunity against a specific disease. The influenza vaccine is an annual vaccine to protect against the highly variable influenza virus. Purpose and benefits of annual flu vaccination Influenza… … Wikipedia
Human mortality from H5N1 — or the human fatality ratio from H5N1 or the case fatality rate of H5N1 refer to the ratio of the number of confirmed human deaths resulting from confirmed cases of transmission and infection of H5N1 to the number of those confirmed cases. For… … Wikipedia
Mortality rate — Crude death rate by country Mortality rate is a measure of the number of deaths (in general, or due to a specific cause) in a population, scaled to the size of that population, per unit time. Mortality rate is typically expressed in units of… … Wikipedia
rate — 1. A record of the measurement of an event or process in terms of its relation to some fixed standard; measurement is expressed as the ratio of one quantity to another ( e.g., velocity, distance per unit … Medical dictionary
Incidence (epidemiology) — Incidence is a measure of the risk of developing some new condition within a specified period of time. Although sometimes loosely expressed simply as the number of new cases during some time period, it is better expressed as a proportion or a… … Wikipedia
Cumulative incidence — or incidence proportion is a measure of frequency, as in epidemiology, where it is a measure of disease frequency during a period of time. Where the period of time considered is an entire lifetime, the incidence proportion is called lifetime risk … Wikipedia
Epidemiology — For the Community episode, see Epidemiology (Community). Epidemiology is the study of health event, health characteristic, or health determinant patterns in a population. It is the cornerstone method of public health research, and helps inform… … Wikipedia
disease — diseasedly, adv. diseasedness, n. /di zeez /, n., v., diseased, diseasing. n. 1. a disordered or incorrectly functioning organ, part, structure, or system of the body resulting from the effect of genetic or developmental errors, infection,… … Universalium
