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in 460 BC the father of medicine was born.

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In 300 BC the first book on anatomy was made by a man named Diocles.

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In 910 Abu Bakr Mohammad Ibn Zakariya al-Razi discovers and differentiates measels and smallpox.

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In 1010 Avicenna writesThe Book of Healing and The Canon of Medicine

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In 1249 Roger Bacon invents spectacles

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In 1489 Leonardo da Vinci dissects corpses

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In 1543 Vesalius publishes findings on human anatomy in De Fabrica Corporis Humani

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In 1590 Zacharius Jannssen invents the microscope

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In 1628  William Harvey publishes An Anatomical Study of the Motion of the Heart and of the Blood in Animals which forms the basis for future research on blood vessels, arteries and the heart

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In 1656 Sir Christopher Wren experiments with canine blood transfusions

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In 1670 Anton van Leeuwenhoek discovers blood cells.

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Anton van Leeuwenhoek observes bacteria.

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In 1701 Giacomo Pylarini gives the first smallpox inoculations.

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In 1747 James Lind publishes his Treatise of the Scurvy stating that citrus fruits prevent scurvy.

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In 1763 Claudius Aymand performs the first successful appendectomy.

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Small pox are eradicated.

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In 1981 the First vaccine developed for hepatitis B

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IN 1983 HIV, the virus that causes AIDS, is identified

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In 1984 Alec Jeffreys devises a genetic fingerprinting method

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In 2006 The first vaccine to target a cause of cancer is discovered.