Pathogen: With parasite

A parasite is an organism that mounts (parasitizes) on the surface or body of humans and animals to make food their own. The host is a person or animal being infested, and the parasite can not live without the host. And, parasites can cause harm to the host, and this infection is called “parasitic disease.” In Japan after World War II, many people (around 60% were infected with roundworms and around 5% were infected with worms) were infected with parasites. Since then, the introduction of chemical fertilizers in agriculture, hygienic living conditions such as maintenance of sewers and the spread of flush toilets, and measures such as testing and anthelmintics have resulted in very few infected people. Now it also has an increasing number of people who do not know the parasites. Recently, parasitic diseases are said to have increased due to the intake of raw food, imported foods and natural foods due to the gourmet boom, the increase in overseas travel, the pet boom, and the increase in imports from overseas. Classification of parasites There are about 200 species of parasites in the world and about 100 species in Japan, and these parasites are classified into two: protozoa and […]

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