The Mantoux test (also known as the Mantoux screening test, tuberculin sensitivity test, Pirquet test, or PPD test for purified protein derivative) is a diagnostic tool for tuberculosis. It is one of the major tuberculin skin tests used around the world, largely replacing multiple-puncture tests such as the Tine test. The Heaf test was used until 2005 in the UK, when it was replaced by the Mantoux test. It is endorsed by the American Thoracic Society and Centers for Disease Control and Prevention. It was also used in the USSR and is now prevalent in most of the former Soviet states.
Read more about Mantoux Test: History, Procedure, Classification of Tuberculin Reaction, False Positive Result, False Negative Result, BCG Vaccine and The Mantoux Test, Anergy Testing, Two-step Testing, Recent Developments, Heaf Test
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“Unless the people can choose their leaders and rulers, and can revoke their choice at intervals long enough to test their measures by results, the government will be a tyranny exercised in the interests of whatever classes or castes or mobs or cliques have this choice.”
—George Bernard Shaw (1856–1950)