Watch Out For Hepatitis A
Viruses A virus can live for many years at temperatures of -20 degrees C, destroyed at boiling temperature for 5 minutes. The disease has no specific treatment.
A suspected case of hepatitis A from Chinese fruit is shaking Australia. About 450,000 Australians are at risk of infection after consuming packaged fruit products originating in China. The number of people diagnosed with the disease has increased from 18 to 21
The Plant Protection Department, Ministry of Agriculture of Vietnam has checked and announced that frozen fruits originating in China that are suspected of causing hepatitis virus in Australia have not yet been imported into Vietnam. However, the Department advises consumers to be wary of many smuggled fruits from China into Vietnam
More than 70,000 packages of Chinese fruit by the company Patties Foods sold each week in Australia, are believed to be the source of the virus that causes hepatitis A for people to eat.
Photo: BBC.Hepatitis virus is a common liver disease because the virus after entering the human body will find the liver, causing inflammatory damage and necrosis of liver cells. To date, at least 6 types of hepatitis viruses have been identified and named as A, B, C, D, E, G. Any viral infection will bear the name of the virus.
From the time of Hippocrates, a type of epidemic, gastrointestinal jaundice has been described. In the 17th and 18th centuries, the first outbreaks of hepatitis were recorded in Europe, often occurred in places with high concentrations of people, poor sanitation, during war .
Then, a virus The cause of the disease has been thought of. In 1973, scientists observed a virus that caused the disease, called the hepatitis A virus, or the Hepatitis A virus or HAV (Hepatitis A virus).Virus A is capable of living for weeks on dry objects at room temperature, years at - 20 degrees C, destroyed at boiling temperature for 5 minutes. A virus can be present for days to weeks in oysters, snails, waste water, sandy soil, seawater ... and remains infectious.
Many outbreaks of hepatitis A due to ingestion of undercooked seafood have been reported.
Viruses A are found in many parts of the world. The virus spreads from person to person mainly through the gastrointestinal tract, related to personal hygiene; live crowded and narrow; food hygiene, poor environment. Means of transmission are drinking water, milk, cakes, seafood, fruits, frozen foods ... In developing countries, A virus infection occurs very early in childhood and usually has no symptoms. Along with China, India, South America, Africa and other countries in Southeast Asia, Vietnam is classified as a high endemic region for the hepatitis A virus.When it enters the human body for 2 to 4 weeks, the A virus can cause hepatitis A.
It is an acute infection that lasts no more than 6 months, usually benign, self-limiting. then recovered. Symptoms of the disease are very variable, most of them have no abnormal symptoms. Some cases have typical symptoms with fever (before jaundice), fatigue, loss of appetite, indigestion, nausea, pain in the right ribs (due to enlarged liver, pain), jaundice , yellow eyes, dark urine. These symptoms lasted for a few weeks, then gradually subsided and disappeared, and the patient made a full recovery. Very rarely, the disease progresses to acute jaundice, hemorrhage, coma, atrophic liver ...
causing rapid death within a few days.Hepatitis A currently does not have specific treatment, mainly supportive treatment. When the disease progresses seriously and urgently, it is necessary for the patient to be admitted to the hospital for intensive emergency recovery treatment.
For the prevention of hepatitis A, general principles for the prevention of gastrointestinal infections can be applied. It is necessary to wash hands before eating, after going to the toilet, using food with clear origin and safety assurance, in production, processing and preservation ... Antiviral immunity should also be exercised for effective disease prevention.
Dr. Le Manh Hung, Deputy Director of Hospital for Tropical Diseases (HCMC)
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