| One reason for a significant spread of this type of hepatitis in the south-east Asia - the frequent transmission of the virus from an infected mother to child. Most children infected at age 1 year, the infection becomes chronic, apparently as a result of immaturity of the immune system of the child, three out of four children with acute viral hepatitis at the age of 1 year and subsequently develop chronic hepatitis B in adults this probability is only 7-10%. The incubation period of transition in the prodromal phase, which resembles serum sickness, and is manifested by fever, joint pain, myalgia, transient rash, urticaria, in combination with a variety of dyspeptic symptoms. |