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15_pdfsam_apluspreptt1pkg - 6 Astro Gastroenteritis...

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4. Rhino Common cold The infection is limited to the upper respiratory tract Rhinoviruses rarely cause lower respiratory tract disease, probably because they replicate poorly at 37°C (an optimum temperature for rhinovirus replication is 33°C) Rhinoviruses are sensitive to acid, so they do not survive the acid environment of the stomach. Other picornaviruses, such as Polio, Coxsackie, and Echo, are resistant to stomach acid 5. Norwalk Gastroenteritis, Diarrhea Infection is typically limited to the mucosal cells of the intestinal tract Headache, fever, chills, muscle pain, sore throat Nausea, vomiting Abdominal cramps Diarrhea Associated with transient malabsorption and decreased enzyme activity
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Unformatted text preview: 6. Astro Gastroenteritis, Diarrhea ± Symptomatic astrovirus infection is mainly restricted to young children ± Astrovirus infections account for severe diarrhea in 5% of hospitalized children ± Outbreaks in nursing homes for the elderly, among military recruits, and in immunocompromsied patients 7. Plant Viruses FAMILY PATHOLOGY POTY Vein clearing, leaf chlorosis, necrosis, and distorsion, stunting, distorted fruits 9. 15-STEP Clinical Virology Summary 2 1. Respiratory Tracts FAMILY VIRUS COMMON COLD (RHINITIS / PHARYNGITIS)) PICORNA HRV, Coxsackie, Echo CROUP / BRONCHIOLITIS / BRONCHITIS PICORNA Coxsackie PNEUMONIA PICORNA Coxsackie © 2006. A+PREP, Inc....
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