The field of infectious diseases includes the prevention, diagnosis and treatment of diseases caused by microorganisms. Man, his lifestyle, environment and history are intricately intertwined with microorganisms. There is no equilibrium, fought in long-term co-evolution, but pre-existing turmoil through the innumerable possibilities offered to humans and microorganisms. The adaptation and evolution of microorganisms that exchange heritable material as it reaches them is enormous. A bacterium has created as many generations as human beings in the last five million years within twenty years! Due to their short generation, they benefit optimally from mutations that give a survival benefit. The complex, Often unpredictable effects of changes in lifestyle and environment will always lead to the adaptation of microorganisms, which will cause old known and new pathogens to appear and surprise us every time. Few people understood this better than the creatures Alice meets in "Through the Looking Glass" by Lewis Caroll: The Red Queen, after an extremely tired party, "Now, here you see [..Alice ..], it takes all the running Du kan gjøre, for å holde i samme sted. Ef þú vilt fá einhvers staðar annars, þá verður þú að hlaupa að minnsta kosti tvöfalt hratt. " Through the Looking Glass 'by Lewis Caroll: The Red Queen finds, after an extremely tiring race party' Now, here you see [..Alice ..], it takes all the running you can do, to keep in the same place. Ef þú vilt fá einhvers staðar annars, þá verður þú að hlaupa að minnsta kosti tvöfalt hratt. " Through the Looking Glass 'by Lewis Caroll: The Red Queen finds, after an extremely tiring race party' Now, here you see [..Alice ..], it takes all the running you can do, to keep in the same place. Ef þú vilt fá einhvers staðar annars, þá verður þú að hlaupa að minnsta kosti tvöfalt hratt. "

Internal medicine, especially infectious diseases