Is An Hazardous Parasitic Animal Disease?
Parasitical Worms.com Parasitic diseases are diseases and natural parasitic infections between vertebrates and humans (parasitic zoonoses are parasitic diseases and infection which are naturally transmitted between vertebrate animals and man)
Classification of parasitic animals
Parasitic disease includes obligate zoonoses transmitted from vertebrates to humans and facultative zoonoses transmitted from person to person or from animals to animals but possibly to humans .
In more detail: pseudo-animal disease when the pathogen lives freely in an external environment, invading humans and animals as an optional parasite (for example: Cryptococcus neoformans, Histoplasma capsulatum, Aspergillus ..
How do parasitic diseases infect children?
Real animal disease (euzoonoses) when the pathogen is a mandatory parasite, invades and travels back and forth between vertebrates and humans. Can divide animal diseases into
Complete animal disease (holozoonoses) when the pathogen is transmitted between humans and vertebrates
Incomplete animal diseases (parazoones) when invasive parasites have the ability to lay eggs but the life expectancy of eggs is greatly reduced)
Hemizoonoses when parasites transmitted from animals to humans develop only to the larval stage, these are impasse parasitaire cases
Biological basis for parasitic animals
The process of parasite transfer from host to host depends on many factors: the specificity of the parasite (sténoxène, oligoxène, euryxène or holonoxène), parasite location: in general, external parasite is more convenient than internal parasites, community factors in a habitat (city, countryside, mountains ..
.), continuous living conditions between humans and animals
The body's ability to accept parasites (nutrition, protein deficiency, vitamin deficiency, immunodeficiency, etc.).
Appropriate level will allow the parasite to exist only in a single host (sténoxène), or in 1-2 hosts (oligoxène), or in multiple hosts (euryxène), or in any parasite. any host (holoxène), as well as allowing it to grow to the full maturity stage.
Then the host is called the permanent host or only develops to the larval stage (because there is a lack of certain conditions needed for molting, then the host is called the intermediate host)
How long do parasites live in human body?
The parasites from animals (dogs, cats, buffaloes, cows, mice ..) into the human body will die after a short time or only develop to the larval stage due to not adapting to ecological cradle conditions. of the human body.
Because people are usually not eaten by other animals, they do not have the opportunity to change their ecological cradle to reach adulthood. People call these cases an impasse parasitaire.
What is the parasite dead end phenomenon?
Ascaris larvae larvae travel from the intestinal wall to the liver, having to molt in the lungs to become adult worms in the intestine; Ancylostoma caninum larvae in human skin, because they could not escape to the lungs, so they could not spread further and had to suffer from parasitic dead ends.
The worm larvae are highly active, while moving helplessly to the appropriate organ for molting, causing a very characteristic clinical disease called Larva migrans syndrome In contrast, the metacercariae or trematode metacercariae and some small worms have no or no active features.
They are swept away by blood and trapped in an organ, or after penetrating through the skin or mucous membranes, they remain in place and cause a clinical illness different from worms.
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Is schistosomiasis dangerous?
Why is helminth infection itchy skin?
Some skin itching manifestations of helminth infections
Headache for the whole month due to the "worm" that enters the brain
The skin changes abnormally due to dog flukes
Cardiogenic shock due to dog tapeworm infection
What to do when a skin rash develops for a long time
What signs to identify helminths?
Signs identify strongyloidiasis. . Dịch vụ: Thiết kế website, quảng cáo google, đăng ký website bộ công thương uy tín
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