Las enfermedades infecciosas constituyen la principal causa de muerte entre los ninos y adultos jovenes, principalmente en los paises subdesarrollados. Ellos causan mas de 13 millones de muertes, segun la OMS, que representa el 45% del total de muertes en paises pobres y el 60% en ninos de 0 a 4 anos. Los primeros lugares los ocupan las enfermedades respiratorias, seguidas de las diarreicas y la tuberculosis. Hoy en dia el ser humano se enfrenta a una lucha por su existencia, y su arma mas eficaz no esta en sofisticados laboratorios ni en complejas reacciones quimicas, sino en la racionalidad...

Infectious diseases are the leading cause of death among children and young adults, mainly in underdeveloped countries. They cause more than 13 million deaths, according to the WHO, which represents 45% of all deaths in poor countries and 60% in children aged 0-4. The first places are occupied by respiratory diseases, followed by diarrheas and tuberculosis. Today the human being faces a struggle for its existence, and its most effective weapon is not in sophisticated laboratories or in complex chemical reactions, but in the rationality of the facultative to use efficiently the weapons we have...