求翻译：EB是一种极为少见的以皮肤和粘膜起疱为主要特征的遗传性疾病，大约每5万个新生儿中会有一个患EB，且所有种族均有发病可能，男女比例大致相同是什么意思？

EB is an extremely rare with skin and mucous membrane blistering as the main feature of the genetic disease, about one in 50,000 newborns have a risk of EB, and all races have the disease may be, roughly the same proportion of men and women

It is an extremely rare in EB to skin and mucous membranes with the herpes as the main feature of genetic diseases, and approximately every 50,000 newborns EB there will be a level, and all men and women race was about the same proportion, and possible onset

EB is one kind extremely rare gets up the blister take the skin and the mucous membrane as main characteristic hereditary disease, in every 50,000 newborns can have one approximately to contract EB, also all races have the morbidity to be possible, the male and female proportion is approximately sam

EB is an extremely rare cutaneous and mucosal blistering as the main feature of hereditary disease, approximately one in every 50,000 newborns will have an EB, and all races have an onset may, men and women roughly the same

EB is an extremely rare cutaneous and mucosal blistering as the main feature of hereditary disease, approximately one in every 50,000 newborns will have an EB, and all races have an onset may, men and women roughly the same