Epidemiology of Hepatitis D

Epidemiology of Hepatitis D (pronunciation: /ˌɛpɪˌdiːmiˈɒlədʒi ɒv ˌhɛpəˈtaɪtɪs diː/) refers to the study of the patterns, causes, and effects of Hepatitis D health and disease conditions in defined populations. The term is derived from the Greek words epi (upon), demos (people), and logos (study).

Hepatitis D, also known as Delta Hepatitis, is a serious liver disease caused by the Hepatitis D virus (HDV). It is known to occur in conjunction with Hepatitis B infection.

Global Prevalence

The global prevalence of Hepatitis D varies greatly across different regions. It is estimated that approximately 5% of all individuals infected with Hepatitis B worldwide are also infected with Hepatitis D. This equates to approximately 15-20 million people.

Transmission

Hepatitis D is transmitted through direct contact with infected blood and bodily fluids. This can occur through sharing needles, unprotected sex, and from mother to child during childbirth.

Risk Factors

Individuals with Hepatitis B are at risk of contracting Hepatitis D. Other risk factors include intravenous drug use, receiving multiple blood transfusions, and having unprotected sex with an infected person.

Prevention

Prevention of Hepatitis D involves preventing Hepatitis B infection through vaccination. There is currently no vaccine for Hepatitis D, but the Hepatitis B vaccine also provides protection against HDV infection.

Treatment

Treatment for Hepatitis D involves antiviral medications. However, these are not always effective and in some cases, a liver transplant may be necessary.

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Epidemiology of Hepatitis D