Why hepatitis A is prevalent in toxic 30s and 40s
Attention should be paid to the rapid spread of hepatitis A, which has no cure and is at high risk for outbreaks. Hepatitis A is a Group 1 infectious disease that is transmitted through water and food. Infection with hepatitis A virus causes symptoms such as high fever, abdominal pain, and vomiting. I learned about hepatitis A.
The spread of hepatitis A is not uncommon. According to the Center for Disease Control and Prevention, only 3758 patients with hepatitis A who were diagnosed between January and April of this year (based on the report on April 30, 2019). This is more than the total number of patients (2436 cases) last year. In particular, the number of patients with hepatitis A has exceeded 1,000 in March. Therefore, efforts should be made to prevent hepatitis A from spreading nationwide.
Hepatitis A is spreading around 3040s. Seven out of ten hepatitis A patients reported this year were 30 to 40. The cause is low hepatitis A antibody transmission rate.
The hepatitis A vaccine has been inoculated since 1997 for newborns. Therefore, the incidence of hepatitis A is under 22 years old. Even if you are not vaccinated more than 50 years old, when you have a bad hygiene in the past, you have to go through childhood, and the hepatitis A virus is sickly, 3040 households are not required to be vaccinated with hepatitis A vaccine, and the hygiene environment is improving and the rate of hepatitis A antibody retention is low.
According to data from 2005 to 2014, the percentage of hepatitis A antibodies in their 30s has dropped from 69.6% in 2005 to 32.4%. The 40s in the same period also dropped from 97.9% to 79.3%. The 3040s, which do not have immunity to hepatitis A, should pay particular attention to hepatitis A prevention.
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Hepatitis A is six years old and when passed from childhood, it passes sickly like a cold. But adults are different. Most are accompanied by severe symptoms. As the hygienic environment improves, it is analyzed that the risk of hepatitis A in 3040, which is not required to be paradoxically vaccinated, has increased.
In particular, chronic hepatitis with poor hepatic function can lead to fulminant hepatitis if hepatitis A develops. Hepatitis A is symptomatic after a latency period of up to 50 days. Symptoms usually do not exceed 2 months, but adults may be hospitalized for more than a month with acute hepatitis.
Prevention is best because hepatitis A does not have the right treatment. Personal hygiene is of the utmost importance, such as drinking regularly boiled water or eating food. It may be considered to inoculate hepatitis A preventive vaccine. The hepatitis A vaccine is inoculated twice in total. Inoculation should be done after 6 ~ 18 months after the first inoculation. If you are under age 40, you can inoculate without an antibody test. For those aged 40 years or older, immunization is recommended if there is no antibody after testing for antibodies.
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GSK's hepatitis A vaccine, according to a Harris study, produced about 85% antibody at 2 weeks after the first vaccination. After 19 days, almost 100% of defensive antibodies were found to have occurred. Immunogenicity data indicate that the antibody is maintained for 20 years after two complete inoculations of the Hendrix. "In order to prevent further spread of hepatitis A, vaccination is needed mainly in high-risk groups," said Jeong Hyun-Joo, director of the vaccine division of GSK.
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