Is Risk Caused
Strains that cause disease in pets or wild animals can also infect humans, but due to the narrow specificity of the host, the disease usually limits itself for a short time. Scabies is highly contagious, can develop into community and hospital outbreaks.
1. THE UNIVERSITY OF DISEASES
Scabies, belonging to the arachnoid layer (Arachnida), the Sarcoptidae family, is a type of mites that regularly parasitize the skin of many mammals. The causative strain in humans is Sarcoptes scabiei var
Strains that cause disease in pets or wild animals can also infect humans, but due to the narrow specificity of the host, the disease usually limits itself for a short time.
Scabies is highly contagious, can develop into community and hospital outbreaks
2. FIGURE AND DEVELOPMENT OF DISEASES DISEASES
Shape
Adult scabies are yellowish white, oval, female size (330 - 450 µm), male (200 - 240 µm) x (150 - 200 µm), chewing-like mouth, has eight legs short.
![Is Risk Caused Is Risk Caused](https://burravisitorcentre.com/wp-content/uploads/2020/07/giun-1.jpg)
Scabies ovals oval, transparent, thin shell, large size (170 xm x 92 µm).
Development cycle
After infiltrating the host's skin, the scabies forms zigzag tunnels due to the destruction of subcutaneous tissue for food and shelter. These tunnels are limited to the horny layer of the epidermis except in the case of Norwegian scabies mites and scabies mites may be more invasive. Each day they dig about 2-3 mm, often active at night is the fertilized female.
![Is Risk Caused Is Risk Caused](https://burravisitorcentre.com/wp-content/uploads/2020/07/giun8.jpg)
![Is Risk Caused Is Risk Caused](https://burravisitorcentre.com/wp-content/uploads/2020/07/giun11.jpg)
The development cycle of scabies
3. Epidemiological characteristics of pediatric disease
The disease is found all over the world, especially in least developed countries. High-risk groups include people living in a group, crowded, with poor personal hygiene, such as slum dwellers, prisoners, soldiers, etc. The annual incidence of illness is about 300 million cases worldwide and capable of translation.
The disease is transmitted from person to person mainly by direct contact, especially through sexual activities, sometimes indirectly through beds, clothes, towels ... of patients.
![Is Risk Caused Is Risk Caused](https://burravisitorcentre.com/wp-content/uploads/2020/07/giun-1.jpg)
Infections caused by contact with pets can also occur but the strains of animals are poorly adapted to humans so the disease does not last long and is often self-limiting.
4. PREVENTION OF DISEASES DISEASE
The pathological manifestations of scabies are primarily the result of a late hypersensitivity (type 4) response to the scabies secretions rather than the presence of foreign objects in the skin (adults, eggs, larvae) as well as scabies activities. This response causes allergic reactions in the infected skin that sometimes spread more than the infiltration site of the scabies. Histopathological examination revealed that T cells and macrophages (but very few B cells) dense infiltrates in the perianal region spread to the epidermis near the site of the parasite scabies. Systemic reaction manifested by an increase in eosinophils and a decrease in titre of IgE antibody within 1 year. Another evidence of hypersensitivity in scabies pathology is that symptoms appear faster when they are first reinfected in 2 - 6 weeks but only 1 - 4 days in people who have been hypersensitive by a previous infection .
4.
![Is Risk Caused Is Risk Caused](https://burravisitorcentre.com/wp-content/uploads/2020/07/giun6.jpg)
The disease begins silently, unclearly, often referred to as a mosquito bite or a dry skin. Scratching by itching destroys the tunnel, allowing the scabies to spread over the patient's skin. After 2 - 8 weeks, intense itching on many parts of the body, especially at night, is a characteristic manifestation of the disease.
Observing the itchy skin, you can see the initial lesions as e. . Dịch vụ: Thiết kế website, quảng cáo google, đăng ký website bộ công thương uy tín
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