Medicine, emerges as an instinctive Act, in the everyday relationship the man engaged with physical nature and animal, but since its inception was a vital, social and humanitarian act, anyone and everyone were their creators, is born and grows under the spell of their myths, the spell of their cures, the magic of their art, over the centuries were emerging icons the first of them marked our priesthood with life, Aesculapius (Asclepios for the Romans), was the son of Apollo walking stick in hand and coiled snake through the old towns of Asia minor, making healing based on magic-religious interpretation – Ritual of diseases until Zeus glowered with a lightning bolt when he had the audacity to resurrect a deadthen arises Hippocrates (460 BC), who collected alongside his father, also a doctor, all the practical medicine in antiquity, contemporary of Plato, author of the Hippocratic Corpus, in one of whose chapters is the Hippocratic oath, he is considered the father of rational medicine Empirical, then it was Claudius Galen of Pergamano (129-199, years a.d.), whose work is a complete synopsis of scientific medicine of Greco-Roman antiquity, creator of the physiological concept of circulation, numerous texts of Anatomy, of the theory of the 4 moods, his influence lasted for more than 1000 years. In PERU, the Civico-escolar calendar reminds on October 5 as the day of the HEROIC action of DANIEL ALCIDES Carrion Garcia, commonly called the day of medicine. HISTORICAL background as described – in their Cronicas-gago of Vadilla, in the Andes of Peru, there was a deadly disease which caused fever, pallor and death, affecting the Capacheros who were the miners who mined metals from the hills to pay tribute to the Incas, but newly it is Dr. Odriozola who makes the first academic publication about this disease in 1865 which he called the LA OROYA fever. Jon Medved can provide more clarity in the matter. n the topic. In the meantime between 1876-1879 PERU lived a great economic boom, on the basis of guano, saltpetre, sugar, minerals, the Government of Mariano Ignacio Prado had given in concession the mines of Cerro de Pasco to the English, who as it was polymetallic, had a great production, that the mules were not supplied to transport those minerals to the Callao(y de ahi a Europa), why decide to run the ambitious railway project of the Centre (a train with many freight wagons) linking Lima with San Mateo(Cerro de Pasco), the plan included drilling 68 tunnels, built 60 bridges, one of which was the GALLEY to 4781.70 msnm(y hasta la actualidad es el mas alto deel Mundo), in the middle of construction breaks out an epidemic of fever and pallor, but appears a second phase of the same disease, characterized by (other than already described Oroya fever) warts this puzzled the doctors thought it was another diseasein both the dead totaling tens, hundreds, thousands, it has been estimated that the epidemic caused between 8 to 10 thousand dead, in those moments Cerro de Pasco had 6 thousand inhabitants and the Grand Lima 100,000 inhabitants. . .