By what route did hepatitis A and fifth liver propagated the _ treatment

By what route did hepatitis A and fifth liver propagated the _ treatment
By what route did hepatitis A and fifth liver spread?
Hepatitis A and fifth liver are intestinal infectious disease, regard excrement - mouth as and mainly propagate the route, people often say " Disease goes in by the mouth " . The way that the excrement - mouth propagates is varied. This kind of spread often takes place badly and living in the crowded place to the sanitary condition; In countryside, when the excrement and urine is managed improperly is especially apt to take place spread of way this. It is breaking out and prevailing main circulation way of hepatitis A to transmit through water and food. Hepatitis A and virus can often pollute various sources of water, such as well water, water of the pool, river, running water and water of swimming pool,etc. through sewage and excrement and urine, it is prevailing to cause hepatitis A; The food propagates the department and results from the reason that the food is polluted or polluted by the sewage directly, especially aquatic products, for instance clams, oyster, mud blood clam, crab,etc., it is extremely apt to suffer pollution, play an important role in the food of hepatitis A spreads, if hepatitis A of Shanghai was prevailing (the number of the infected was up to 300,000) in January - April of 1988 ,Eat what Mao Han polluted by hepatitis A and virus caused raw. The drinking water pollution is that the liver of fifth breaks into popular main circulation way, it is reported, December 1 to will it be January 20 1956, 1955 fifth, New Delhi of India, liver large to prevail, have illness coming on 97000 in 1,700,000 people, jaundice 29300 of hepatitis among them, investigate, verify by epidemiology, prevailing cause to supply water, stand source of water pollute seriously by the sanitary sewage. It is hepatitis A and distributing main circulation way having illness coming on of the fifth liver that daily life is exposed to, hand, apparatus, tableware, toy, bed clothes, clothes,etc. generally through being polluted, infect by the mouth directly or indirectly.
Hepatitis A will seldom be transmitted through blood, when the blood donor is in hiding a virus blood disease of end, it can cause the first type hepatitis after blood transfusion also even, but this kind of case is relatively rare. Hepatitis A will happen, enclose, give birth to issue, travel, pregnant woman amalgamate will infect foetus behind the hepatitis A, have not seen either that cause the lopsided phenomenon. There is no evidence that liver of fifth can be propagated through the other route of intestine so far.
|