Hiv Features Likewise other viruses, HIV must be considered as a self-reproducing organism, variable and able to survive like any other living being. Since the beginning of the AIDS epidemic HIV has been characterized by a practically uniform mortality associated with a prolonged transmissibility. This makes HIV become a different case and contradicts what happened when an unknown virus gets in touch with a population that has never been infected by that virus. Google+ Twitter Facebook
Mechanism At Negative Retroaction Genetic Feedback 2° Now let’s try to understand better how the mechanism at negative retroaction or genetic feedback works. For this we’ll make use of two examples: a natural one and another where man intervention is determinant. Google+ Twitter Facebook
The trans-species jump from the animal reserve (second part) MICROBIOLOGIC CONSEQUENCES OF HUMAN CIVILIZATION Another example how man’s action can influence the spreading of epidemics is given to us by the history of the Spanish conquest of the Americas. When we think of such an enterprise, we are usually convinced it was possible only thanks to the military superiority of the old world inhabitants compared with the Aztecs and the Incas. This theory is true if we consider the Spaniards, besides their guns, brought, unconsciously, those that are called bacteriological weapons according to the modern terminology. Google+ Twitter Facebook
Overpopulation, lack of hygiene and epidemics With the progress of civilization and the increasing of people to be fed man is increasingly looking for new areas to be cultivated. One of the means which is more within reach is cutting down the trees of tropical forests and burning them on the spot to get cultivable soil. Google+ Twitter Facebook
Plague Epidemics From a certain moment on, that is about 40,000 B.C., our ancestor, who, now, has evolved in Homo Sapiens-Sapiens, leaves the African equatorial forest and spread about everywhere on the planet except for the Antarctic zone. Google+ Twitter Facebook
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