The ancient bronze mirror fasting of hepatitis A endangers _'s prevention and health care of the aquatic products high

The ancient bronze mirror fasting of hepatitis A endangers _'s prevention and health care of the aquatic products high
Mankind's knowing water living beings can cause intestinal infectious diseases such as hepatitis,etc. to already have a history of several dozen years. 1979, the report of American center for disease control, U.S.A. " hepatitis A " in the past 4 it is related to oyster to break out on a large scale. These cause prevailing shellfish of hepatitis, it is mainly oyster, clam, blood clam, mussel, all gill's key link of shellfish. The shellfish takes advantage of straining water to breathe and ingest. Someone" Escherichia coli phage " Put into water, the shellfish gathers in the liver gland after sucking, stores for more than 6 weeks, still remain 50%- 90% of original quantity in metasoma in 2 months, this kind gathers ability and is called the rich accumulating or rich collection, and can spread to the shellfish not infected. So, water living beings, besides should pay attention to transporting, selling the pollution in the course ing, should notice person who catch or pollution that surface of water received of cultivating etc. especially.
Investigate and analyse according to epidemiology, expert define first type virus hepatitis to it breaks out to be because maos of Mao Han, blood clam of place of production pollute seriously by hepatitis A and virus 1988, the citizens in Shanghai lack the immune protective screen of hepatitis A, are used to eat Mao Han raw, lead to and break out finally. After confirming the cause of disease, in spring of 1988, the government proposed the prevention measure of pertinence, banned catching, purchased, sold the hair blood clam; Further educate citizens not to eat the hair blood clam raw, prevent source of water of pollution and food,etc., make the epidemic situation controlled within 3 months.
Even to this day, blood clams such as Mao Han, mud blood clam, chief's blood clam still belong to and forbid the aquatic products assortment of production and sales Shanghai. Secondly, Qiang's shrimp pours Chinese liquor on the living freshwater shrimp, adds a cover for stuffy several minutes, eats. Qiang's shrimp has not been washed, removed viscera,etc. to process pre-processing, it is familiar and well-done not to burn either, it is relatively risky to eat, is forbidden eating too. In addition, the globe fish prohibits one of the drinking water products too: Our country " aquatic products management " stipulates, the globe fish has hypertoxicity, can't flow into the market. In addition, the aquatic products assortment that drunk shrimp, wine preserved crab, drunk crab's amphibious crab, salty crab, drunk mud spiral shell,etc. are production and sales of seasonal prohibition in Shanghai, forbid the production and management from May 1 every year to October 31, other time must make " special food hygiene licence of Shanghai " to produce and sell the above-mentioned aquatic products or " sell the outport food and register the official written reply in Shanghai ".
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