昆虫学、鳥類学、爬虫類学: 現在の研究
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概要

Pathogens and their Severity

Yuuka Murakami

The term ‘Pathogen’ refers to any infectious microorganism or agent which causes and transmits disease in a living host, the term pathogen was technically used in the 1880s. There are always numerous pathways through which pathogens could be introduced inside the host body. Soil has the most favorable conditions in protecting pathogens. Diseases that are caused through infections are usually pathogenic diseases and not all diseases are caused by pathogens.