Can you still get hepatitis after receiving the hepatitis A vaccine?

Oct 17, 2023 Source: Cainiu Health

Dr. Lu Haiying

Introduction

In general, whether a person can still develop hepatitis after receiving the hepatitis A vaccine depends on the specific circumstances. There are several types of hepatitis; normally, after receiving the hepatitis A vaccine, a person is protected against hepatitis A virus infection. However, the vaccine does not protect against other types of hepatitis, so infection with those types is still possible. If a person develops any symptoms of illness, it is recommended to seek medical attention promptly to avoid delaying diagnosis and treatment.

Generally speaking, whether a person can still develop hepatitis after receiving the hepatitis A vaccine depends on the specific circumstances. There are several types of hepatitis. Under normal conditions, after receiving the hepatitis A vaccine, a person usually will not contract hepatitis A virus infection; however, they may still be infected with other types of hepatitis. The details are as follows:

1. No

After receiving the hepatitis A vaccine, a person generally will not become infected with hepatitis A virus. The hepatitis A vaccine is specifically designed to prevent hepatitis A. Once administered, the vaccine stimulates the body's immune system to produce an immune response, generating antibodies against the hepatitis A virus and thus preventing the occurrence of hepatitis A. After vaccination, these protective antibodies form in the body, reducing the likelihood of hepatitis A infection. Therefore, individuals who have received the hepatitis A vaccine typically do not contract hepatitis A.

2. Yes

It should be noted that the hepatitis A vaccine only protects against hepatitis A virus infection and is ineffective against other types of viral hepatitis, such as chronic hepatitis B, hepatitis C, and hepatitis E. Therefore, even after receiving the hepatitis A vaccine, a person may still develop other forms of hepatitis.

If a person experiences any symptoms or discomfort, it is recommended to seek timely medical attention at a hospital to avoid delays in diagnosis and treatment.

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