More easily infected group's _ prevention and health care of hepatitis A

More easily infected group's _ prevention and health care of hepatitis A
The existence of the first type hepatitis virus is very capable, infective and strong, the main spread route is a excrement mouth route (water, food, are kept in close touch) ,Other routes have blood that spread, spread etc. vertically.
The more easily infected group of the first type hepatitis:
( 1) Professional more easily infected group
Deal with the workers, food trade employees of the filth or sewage. If they contact those food not packed, but the food has not passed cooking, they are probably infected; If staff members have been infected with HAV, they will pollute the food, thus may lead to the fact that break out in the philtrum which use the food popularly; The staff members that contacted with children; For instance personnel in work such as the nursery, kindergarten, school; Medical personnel; Personnel engaged in examininging in the laboratory.
( 2) Individual susceptible persons
Live in low to infect area, get intermediate or prevail regional individual of travel highly; With exchanging the person (collective, prison, many families of people) that the sense HAV contacts ; Children - main virus host, is children - adult's circulation way's infection source; Suffering from the person of the chronic hepatopathy, they are very sensitive to HAV; Person of numerous blood transfusion; Intravenous drug addict; Male homosexuality person.
Dominant infection and recessiveness without clinical symptom with the obvious clinical symptom infect two kinds of types. The adult is shown as the dominant infection more after infecting, and the children or old man is apt to be shown as recessiveness is infected after infecting. Death rate 0.1% of hepatitis A 14 years old and under; Death rate 0.1% of 15-39 years old hepatitis A; Death rate 0.1% 40 years old and the above hepatitis A. Incubation period is 15- The 45th (average 30 days) ; Dividing into a acute jaundice type, acute clinically has no jaundice types, silt gallbladder types, inferior and clinical type and heavy-duty. February - April of whole course of disease. The therapeutic principle is: Take appropriate rest, rational nutrition as the core, the alternative uses medicines in order to complement. Should give up alcohol, prevent overworking and avoiding employing and decreasing the liver medicine. Should be simple not in great numbers that the administration should be grasped.
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