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Hepatitis A vaccine is a vaccine that prevents hepatitis A. [ 2 ] [ 3 ] It is effective in around 95% of cases and lasts for at least twenty years and possibly a person's entire life. [ 4 ] If given, two doses are recommended beginning after the age of one. [ 2 ]
Hepatitis A is an infectious disease of the liver caused by Hepatovirus A (HAV); [7] it is a type of viral hepatitis. [8] Many cases have few or no symptoms, especially in the young. [ 1 ] The time between infection and symptoms, in those who develop them, is two–six weeks. [ 2 ]
Combined hepatitis A and B vaccine, is used to provide protection against hepatitis A and hepatitis B. [3] [7] It is given by injection into muscle.[8]It is used in areas where hepatitis A and B are endemic, for travelers, people with hepatitis C or chronic liver disease, and those at high risk of sexually transmitted diseases.
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Bill Marler, a lawyer who represented 78 Chi-Chi’s victims in a class action lawsuit in 2004, said this month almost 10,000 people got vaccines and explained how the outbreak changed the food ...
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Example Polish call for vaccination against Diphtheria and Tetanus. Global vaccination coverage 1980 to 2019 among one year olds [1]. A vaccination schedule is a series of vaccinations, including the timing of all doses, which may be either recommended or compulsory, depending on the country of residence.
Inactivated vaccines tend to produce less durable immunity, often requiring multiple doses, which can pose a public health challenge. For example, the flu vaccine requires annual updates and re-administration, and hepatitis A vaccines often require two doses spaced six months apart.