Hepatitis is an inflammation of the liver. Hepatitis B and C are two types of viral hepatitis that can cause chronic liver disease and liver cancer.
According to the World Health Organization (WHO), hepatitis B and C cause, as of 2021, an estimated 1.1 million deaths per year, making them one of the leading causes of death worldwide.
Hepatitis B
Hepatitis B is caused by the hepatitis B virus (HBV) and is spread through contact with blood or body fluids from an infected person. This can happen through sexual contact, sharing of contaminated needles, or from mother to baby during childbirth.
Many people with hepatitis B have no symptoms, but some experience fatigue, abdominal pain, and jaundice (yellowing of the skin and eyes).
Chronic hepatitis B infection can cause liver cirrhosis, liver failure, and liver cancer. Treatment for chronic infection includes medications that can suppress the virus and reduce liver damage.
In some cases, people with chronic hepatitis B may require a liver transplant.
Hepatitis C
Hepatitis C is caused by the hepatitis C virus (HCV) and is spread through contact with blood from an infected person.
This can happen through sharing of contaminated needles, receiving blood transfusions before 1992, or from mother to baby during childbirth. Many people with hepatitis C have no symptoms, but some experience fatigue, abdominal pain, and jaundice.
Chronic hepatitis C infection can cause liver cirrhosis, liver failure, and liver cancer. Treatment for chronic infection includes medications that can cure the virus in most cases.
In some cases, people with chronic hepatitis C may require a liver transplant.
Research advancements
Advancements in research have led to significant improvements in patient outcomes for hepatitis B and C. New medications have been developed that are more effective and have fewer side effects than previous treatments.
These medications target specific stages of the viral life cycle and can suppress the virus to undetectable levels in the blood.
In addition, new screening and diagnosis methods have been developed that can detect the virus earlier and more accurately. This can lead to earlier treatment and better outcomes for patients.
Research has also led to a better understanding of the disease and the development of vaccines for hepatitis B. The hepatitis B vaccine is highly effective and is recommended for all infants, children, and adults at risk of infection.
Prevention and control
Prevention and control of hepatitis B and C require a multi-faceted approach. This includes:.
-
Vaccine development and administration: As mentioned above, a vaccine is now available for hepatitis B, which is highly effective and is recommended for infants, children, and adults at risk of infection. There is no vaccine for hepatitis C.
-
Preventing transmission: Hepatitis B and C are transmitted through contact with infected blood or body fluids.
Measures to prevent transmission include safe sex practices, avoiding sharing of needles, and ensuring safe blood transfusion and medical procedures.
-
Screening and diagnosis: Early detection of hepatitis B and C infection is important for preventing transmission and ensuring early treatment. Screening should be performed for those at risk of infection or with symptoms of the disease.
-
Treatment: Treatment for chronic hepatitis B and C infection can reduce the risk of liver cirrhosis, liver cancer, and liver failure. New medications have improved treatment outcomes and can cure the virus in many cases.
Conclusion
Hepatitis B and C are serious viral infections that can cause chronic liver disease and liver cancer.
However, advancements in research have led to significant improvements in patient outcomes, including more effective treatments with fewer side effects, and earlier detection of the virus. Prevention and control of hepatitis B and C requires a multi-faceted approach, including vaccine development and administration, measures to prevent transmission, and disease screening and diagnosis.