Unraveling the Mystery of Vaccines for Hepatitis B & C

In summary, the conversation discusses the reason for the availability of a vaccine for Hepatitis B virus but not for Hepatitis C virus. It is mentioned that Hepatitis B has been known for a longer time and more information is available about it, making it easier to develop a vaccine. It is also noted that RNA viruses, such as Hepatitis C, have a higher mutation frequency which makes it harder to develop a vaccine. The lack of information about HCV may also be a factor in the absence of a vaccine. Additional information supporting this is mentioned, including links to articles on pubmed.
  • #1
Monique
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I am wondering why it is that we have a vaccine for the Hepatitis B virus and not for the Hepatitis C virus..
 
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  • #2
I know hepatitis C only has been recognized in 1989 and hepatitis B has been known for a longer time. More information is known about hepatitis B so it easier to develop a vaccine when you have the rigth info.

Also hepatitis C is a RNA viruse and hepatitis b is a DNA viruse. Vaccine for RNA virus tend to be harder to develop du to high mutation frequency of RNA viruse. The influenza virus and HIV are RNA virus. There is a new vaccine for the flu every year (the vaccines are based on the projected mutation of the influenza virus) and there no working HIV vaccine yet .

Lack of info and that HCV is a RNA viruse migth explain why there no vaccine yet but I don't the actual reason.
 
  • #3
Thank you! That DNA/RNA story sounds very plausible :)
 

1. What is hepatitis B & C?

Hepatitis B and C are both viral infections that affect the liver. They can cause inflammation and damage to the liver, leading to serious health issues such as liver failure, cirrhosis, and even liver cancer.

2. How are hepatitis B & C transmitted?

Hepatitis B and C are spread through contact with infected blood or body fluids. This can happen through sharing needles, having unprotected sex, and from mother to baby during childbirth.

3. How do vaccines protect against hepatitis B & C?

Vaccines work by introducing a weakened or inactive form of the virus into the body, which triggers the immune system to create antibodies. These antibodies then protect the body from future infections by recognizing and fighting off the virus if it enters the body again.

4. Are the vaccines for hepatitis B & C safe?

Yes, the vaccines for hepatitis B and C have been extensively tested and are considered safe. Like all vaccines, there may be some mild side effects such as soreness at the injection site, but these are temporary and far less severe than the potential complications of the diseases themselves.

5. Do I still need to get vaccinated if I have already had hepatitis B & C?

Yes, it is still recommended to get vaccinated even if you have previously had hepatitis B or C. This is because the vaccines can provide additional protection against different strains of the virus and can prevent reinfection. However, it is important to consult with a healthcare professional to determine the best course of action for your specific situation.

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