Small thin stem on a tree
2020/6/28
• The polio virus lives in the throat and intestinal tract of infected persons.
• The virus enters the body through the mouth, usually from hands contaminated with the stool of an infected person. Objects, such as eating utensils, can also spread the virus.
2020/6/28
Polio ห้องสมุดไป่ตู้irus
2020/6/28
• An ancient Egyptian stele, portraying a prince with a withered leg - probably polio. © WHO/GPEI
2020/6/28
2020/6/28
2020/6/28
2020/6/28
肠道病毒
肠 道 病 毒
脊髓灰质炎病毒
柯 萨 奇 病 毒
埃可病毒
2020/6/28
• Poliovirus infects human cells by binding to an immunoglobulin-like receptor, CD155, (also known as the poliovirus receptor (PVR) on the cell surface
• Poliovirus is a positive stranded RNA virus. Thus the genome enclosed within the viral particle can be used as messenger RNA and immediately