Concept

Pathogens

HE A LTH EDUC A TION H E A L T H 1 0 0 V E R S I O N 3 / What causes infectious diseases?

"Infectious diseases are transmitted between individuals by infectious agents, known as pathogens [path-oh-jens], from the Greek words pathos (to suffer) and genès (to produce). Pathogens produce a lot of human suffering and disability across the world, including in relatively wealthy nations like the United States. Most people have heard of at least some types of pathogen, for example bacteria or viruses. The wider causes of infectious diseases range from insanitary living conditions in impoverished communities to inadequate hygiene in the high-tech environments of modern hospitals. The impact of infectious diseases is therefore unequally distributed around the world, not only between countries, but also between individuals and groups within the same population."

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Pathogens | HE A LTH EDUC A TION H E A L T H 1 0 0 V E R S I O N 3 | Bifalgorithm | Bifalgorithm