The threat of infectious diseases has been constant in the history of humankind. 75 % of new emerging human infectious diseases in the last thirty years have an animal origin, and 17 % are transmitted by a vector.
Cancer, one of the greatest problems of modern medicine, is also one of the most profound biological mysteries. And there are more than just one type of cancer: cancer has many different origins, development processes, and anatomic and pathological consequences.
Light can be considered from many points of view. Light is essential for the development of life on Earth, has determined animal and plant evolution, and has also a role in many aspects of culture and art.
Microbes are a constant source of surprise. Their «invisibility» does nothing but increase our puzzlement when a microorganism, or its activity, become evident for the first time. Although microbes are
According to the dictionary, vaccination is the administration of vaccines prepared with microbes (attenuated or dead), or parts of microbes, for prophylactic or therapeutic purposes. Vaccines provide specific and active
«The time has come to close the book on infectious diseases. We have basically wiped out infection in the United States». These optimistic words were addressed to the United Nations General Assembly in 1966 by William H. Stewart, the Surgeon General of the United States (leading spokesperson on matters of public health).
Nature’s complexity goes beyond human imagination. The discovery and exploitation of biodiversity has undoubtedly helped us to reach a certain level of understanding of the natural world. Even though all
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