汕头大学医学院：《人体解剖学》课程教学资源（PPT课件讲稿）脑干横述

汕头大学医学院：《人体解剖学》课程教学资源（PPT课件讲稿）脊髓（脑干纵述）

汕头大学医学院：《人体解剖学》课程教学资源（PPT课件讲稿）神经系统总论、脊髓

Viral gastroenteritis It is thought that viruses are responsible for up to 3/4 of all infective diarrhoeas Viral gastroenteritis is the second most common viral illness after upper respiratory tract infection

Genera of picornaviruses Enterovirus Polio Diseases of the human (and other alimentary tract Coxsackie a and B (e.g. polio virus

Categories of Respiratory Viruses Orthomyxoviridae: Influenza virus Paramyxoviridae: Parainfluenza virus, Mumps virus; Measles, Respiratory syneytical virus Togaviridae: Rubella virus Coronaviridae: corona irus, sars virus Adenoviridae: human Adenovirus picornaviridae: Rhino virus;

Category of sample Blood, Urine, Stool, nasal washing, nasal swab, throat swab, saliva, sputum, rectal swab, vesicle fluid scraping or swab) tissue, brain biopsy, cerebrospinal fluid, et

What does a pathogen have to do? Infect (infest) a host Reproduce(replicate) itself Ensure that its progeny are transmitted to another host

Medical Virology Dept. of Medical Microbiology and Parasitology Shanghai Second Medical University Shanghai, China. E.mail:(xkguoshsmu.edu.cn)

Spirochetes Gram negative Long, thin, helical, motile axial filaments locomotion between peptidoglycan layer/outer membrane runs parallel