Good hair season and _'s general knowledge of prevailing law of hepatitis A

Good hair season and _'s general knowledge of prevailing law of hepatitis A
First type hepatitis can have illness coming on throughout the year, but the morbidity is high with autumn and winter and early spring, may relate to aquatic products going on the market in a large amount in autumn and winter. The first type hepatitis that Mao Han, wine preserved crab,etc. cause breaks out, happen in Winter-Spring; First type hepatitis increases in early spring, may flow with the population during the Spring Festival frequently relevantly. Prevailing every 7 years a cycle of the first type hepatitis, and relate to social economic condition. The investigation shows, in which season of the first type hepatitis virus is popular the ability of surviving has something to do in the environment with it. While infecting the general environment that the source pollutes, hepatitis A and virus can survive for one month, 98 is heated for one minute, the ultraviolet ray shines, the stain-remover containing formaldehyde or chlorine can deactivate it. Hepatitis A and virus can survive in the aquatic shellfish for about 3 months, spread to this disease during prevailing season and have important meaning. Even water with serious pollution also can't kill the virus with the regular chlorine density; The source of water is cleaned but the area that the water pipe passes is polluted, can still spread. Hide the diet, child care, hygiene personnel and love during this period and drink the unboiled water, eat and give birth to the shellfish, it is not the important condition with quite popular seasonality to cause.
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