Strange common disease – Hand, Foot and Mouth Disease
Posted on November 5, 2009Filed Under Hand-Foot-Mouth Disease Causes | Leave a Comment
Hand, Foot and mouth disease is not terrible. While many people are familiar with it, but the hand, foot and mouth disease in fact like a common cold, it is a common disease. It is caused by intestinal viruses.
Enterovirus of the family is very large, many members. Their proliferation in human intestines and discharged from the gut. One of the most notorious is the polio virus that causes polio culprit. In 1300 BC, Egyptian relief carvings, they provided information on the earliest record of polio – the young worship of a leg shrunk.
Enteroviruses include Coxsackie virus, echovirus, and new enteroviruses. In accordance with serotype classification, these viruses have been followed by the current sort number to 71. Because the back of 72-type virus has been classified as hepatitis A virus, a virologist, so the family lineage of enteroviruses in 71 is terminated.
In 1957, Canadian doctor first reported HFMD. Hand, Foot and mouth disease main threat to children. Children with normal first corner of the mouth pain, throat pain, and then hands, feet and mouth red spots. This spot does not look like mosquito bites after the left, more like chicken pox.
Chickenpox was centripetal distribution, with head, face, chest, back the main, and then spread to the limbs. The hand, foot and mouth disease spots mainly in the hands, feet and mouth on. But also deteriorate into a small sore spot. After the puncture, which would be slightly out of muddy liquid, which can cause hand, foot and mouth disease containing the culprit – intestinal virus.
In 1958, Canada, Dr. Luo Binsen from hand, foot and mouth disease isolated from stool CoxAl6, the Coxsackie virus type A16. It is found that the first human hand, foot and mouth disease can lead to intestinal virus.
In 1969, California’s physicians are a 9-month-old children with encephalitis was first isolated from the faeces of a new type of intestinal viruses, intestinal virus, the virus is the youngest – intestinal virus, 71 (EV71). It is this virus, resulting in several deaths of children in Fuyang.
EV71 belongs to Picornavirus intestinal virus, is divided into A, B, C three kinds of genotypes. EV71 is extremely tiny. The medieval philosopher who eagerly discussed a needle, and in the end how many angels can stand on the dance together. If we put this issue in the “angel” was changed to EV71, the answer would be a needle can accommodate more than 300 million EV71.
EV71 is not even life. This is not another non-single-cell organism multicellular organisms, there is for the sole purpose of self-replication, and then infection of other cells. Under normal circumstances, EV71 other hand, foot and mouth disease caused only a mild infectious disease, 7 to 10 days will be cured, it will not left complication.
However, this common disease but with the flu, like many around the world stirring up trouble.
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