Hepatitis A teenagers are aptest to infect _'s general knowledge

Hepatitis A, teenagers are aptest to infect _'s general knowledge
First type hepatitis high to take place season spring and summer. Chinese hepatitis prevent and cure foundation, tell reporter whether of our country hepatitis A 30/10 Wan in average morbidity, whole world hepatitis A high to take place to one of the countries, " through preventing synthetically, hepatitis A can well be controlled " .
It is healthy that hepatitis A threatens teenagers
According to the introduction of professor, first type hepatitis is a viral infectious disease, caused by first type hepatitis virus, occur frequently in the festival in spring and summer. This disease is infective and strong, infect the target and take teenagers and children as the core. Global annual number of the infected estimate in 1,500,000 about, because recessiveness infect and report the whole, infect the example and count 10 times that may be counted for the report actually. In U.S.A., over 1/3 of the hepatitis A patients are the children under the age of 15; In France, hepatitis A is the main reason causing children's liver function to be depleted. In 1988, hepatitis A of Shanghai of China has caused 310,000 people to have illness coming on prevailingly, 47 people died. So, hepatitis A remains very harmful infectious disease.
Center for Disease Prevention and Control of Beijing releases, the overall morbidity of hepatitis A is a downward trend in recent years in China, but every area is distributed irregularity. In the economically developed area, the morbidity of hepatitis A is basically close to the level of developed country; In economically under-developed area, there is part that breaks out and prevails at the hepatitis A, are threatening teenagers' health.
The expert introduces, hepatitis A except that a few breaking out cases have life dangers, the natural course of disease of the general case does not exceed 3- 6 weeks. So long as appropriate rest, supplying nutrition and treatment to the ill, can get well, and it is immune to get all one's life. However, hepatitis A often break out in kindergarten, school and other places collectively, influence the local social life order seriously. And, all patients need to isolate for treatment, the patient is 45 days in hospital stays on average, treat expense of thousands of yuan, full restoration takes 5 months. Wang encourages a professor and says, hepatitis A has not merely brought heavy spirit and financial burden to family and the society, also influence people's study, working order seriously, so should pay attention to preventing and curing.
Do not have illness coming on or infect the source
Hepatitis A will spread between person and person. After keeping in close touch with the hepatitis A patient, for example share the tableware, teacup, tooth and have etc., or will have illness coming on after eating the food that the hepatitis virus pollutes. The virus can pass through the intestines wall and enter the blood, and then enter liver after the oral cavity enters the intestine, discharged by the excrement and urine finally. If hepatitis A excrement of patient pollute the source of water, often lead to the fact hepatitis A breaks out and prevails.
At clinic, hepatitis A generally acute to break out, have whole body to be unable having a fever, detesting oil, nausea, the intersection of person who vomit and symptom, some people's urine is dark brown, namely has presented jaundice. The blood is tested to often reveal liver function is abnormal, the transaminase number value is very high. It is unclear that the extremely individual case will present mind, the difficult liver of solidifying etc. of blood is depleted behaves, it is breaking out hepatitis, its mortality is up to 70%- 95%, this type case only accounts for 1 , it is many with adults.
Some people's one's own immunity is strong, do not have illness coming on after being been infected with hepatitis A and virus, without any symptom, are named recessiveness and infected. In all the infeted, onset person and number of having illness coming on etc. than 1: 1.5. He say have illness coming on, equal to infective, the people to infect source too, so, should propagate the hygienic knowledge in a more cost-effective manner and prevent trouble before it happens.
Virus is the most in the aquatic products
According to Center for Disease Prevention and Control of Beijing, the existence of hepatitis A and virus is very capable. It can survive in 60 water for an hour, so ate the half cooked food or warm water and may be infected. However, 98 is heated for one minute, the ultraviolet ray shines, disinfectant containing formaldehyde or chlorine can kill it. What merits attention is, the aquatic shellfish of hepatitis A and virus, for example Mao Han, clam,etc. can survive in the body for about 3 months, spread important meaning to hepatitis A during popular season.
The water areas that seafood such as Mao Han, oyster, clam, razor clam perch often receive the pollution of the coastal municipal sewage. These living beings can filter the sea water, cause the hepatitis virus in the sea water to accumulate in its body. Having eaten these seafood containing virus in food, half a lifetime in life, it is easy to be ill.
The expert proposes, the seafood should soak, wash in the fresh water repeatedly, boiling is eaten in one minute; Food such as fruit, cold and dressed with sauce dish that enter the mouth directly, want, wash more several, and don't in may wash ink that pollute; Must cut the meat thinly and cooking by scalding, can't eat once changing the color while eating the hot pot; You had better get, quarantine safely secure emporium, loud food market buy the hot pot materials. In addition, expert propose if economy conditions permit, should inoculate children 2- 14 years old against vaccine of hepatitis A, in order to prevent hepatitis A one.
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