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- Symptoms of hepatitis Hepatitis

The chart above shows the incidence rate per year of enta ' hepatitis A in Italy. Currently, those at highest risk of infection are undoubtedly the young people aged between 15 and 24 years, residents in the South and Islands. The main risk factors associated with hepatitis A are the ingestion of raw seafood, contaminated water, contact with jaundiced patients as well as travel to endemic areas. Symptoms of hepatitis A are reported hepatitis A by clicking the link on the side.


Population groups that recommend vaccination:

• travelers who go to countries with high endemicity

• Military

• Addicts active

• patients awaiting liver transplantation who are not already immune to HAV

• person handling of water and sewage

• Persons exposed to contact with patients with hepatitis A in an outbreak in the community or institutions

• and close contacts of patients living with hepatitis A

• healthcare workers exposed to hepatitis A virus

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Wikipedia

L ' hepatitis is inflammation of the liver may be due to several causes: virus , farmaci, alcool , ecc. Molti virus possono modificare la morfologia del fegato nel contesto di infezioni che possono diventare anche di carattere sistemico. Tuttavia solo una minoranza di virus è epatotropa, cioè capace di portare come manifestazione clinica principale l'epatite. Alcuni (HAV e HEV) sono virus a trasmissione prevalentemente enterale, non cronicizzano o infezione; altri (HCV, HBV e HDV) sono virus a trasmissione prevalentemente parenterale e possono persistere nel tempo e quindi dare infezione e malattia di carattere cronico.

Le epatiti possono essere acute o croniche.
Le forme acute sono rappresentate dall' epatite virale e dall' epatite suppurata . L'epatite acuta virale is a process with inflammatory characteristics of liver necrosis induced by the virus that leads to:-cell swelling of hepatocytes, inflammation-infected hepatocyte regeneration may also have jaundice, loss of appetite, vomiting, fever, diarrhea, skin rash, joint pain.
Chronic forms are highlighted especially in the states of cirrhosis.

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Hepatitis E

The infectious agent of ' hepatitis E, HEV virus was provisionally classified in the family Caliciviridae. L ' Hepatitis E is an acute self-limiting and often jaundiced, assai simile all’ Epatite A . Caratteristica principale di questa infezione è l’alta frequenza di forme cliniche fulminanti (1-12% ) ed una particolare severità del decorso nelle donne in gravidanza, specialmente nel terzo trimestre di gravidanza, con mortalità che arriva fino al 40%. La malattia non cronicizza mai.

COME SI TRASMETTE: Come per l’ Epatite A , la trasmissione avviene per via oro-fecale, e l’acqua contaminata da feci è il veicolo principale dell’infezione. Il periodo di incubazione va da 15 a 64 giorni.
E’ presente in tutto il mondo: epidemie e casi sporadici sono stati recorded mainly in geographic areas with inadequate levels of hygiene and health. So you have been identified epidemics in India, Burma, Iran, Bangladesh, Ethiopia, Nepal, Algeria, Libya, Somalia, Indonesia, Mexico, China, Pakistan, Central Asian Republics and the former USSR. In industrialized countries, however, most cases involve people returning from travel to countries at risk.

PREVENTION: Regarding prevention, it was suggested that administration of gamma globulin, especially in pregnant women, but their effectiveness has yet to be demonstrated. Studies are underway to set up the a vaccine.