A “real world” view of how a vaccine (which may have already proven to have high

vaccine efficacy) reduces disease in a population. This measure can assess the net

balance of benefits and adverse effects of a vaccination program, not just the vaccine

itself, under more natural field conditions rather than in a controlled clinical trial.

Vaccine effectiveness is proportional to vaccine potency (ie, vaccine efficacy) but is

also affected by how well target groups in the population are immunized (which itself

See Immunization.

Explains how mass media audiences make choice to use media content for their own

gratifications and their own purposes. (1)

(1) Glossary of communication, University of Jyväskylä

A declaration adopted by the United Nations General Assembly on 10. December 1948

at the Palais de Chaillot, Paris. The Declaration arose directly from the experience of

the Second World War and represents the first global expression of rights to which all

human beings are inherently entitled.

The UDHR is an authoritative definition of the human rights obligations of UN member

states. Through time it has become so respected by states that many of its provisions

can now be said to be customary international law.