From UPSC perspective, the following things are important :
Prelims level: Hepatitis B
Mains level: NA
Why in the news?
- A recent study by Sir Ganga Ram Hospital, New Delhi, revealed alarming deficiencies in public knowledge (transmission, effects & vaccination) about Hepatitis B in India.
- Despite the availability of a vaccine for over 30 years, HBV infection rates remain high in India, with prevalence estimates ranging from 2% to 8% and approximately 37 million carriers nationwide.
About Hepatitis
- Hepatitis is a medical condition characterized by inflammation of the liver.
- It can be caused by various factors, including viral infections (hepatitis viruses), alcohol consumption, certain medications, toxins, autoimmune diseases, and metabolic disorders.
Hepatitis A | Hepatitis B | Hepatitis C | |
Causative Virus | Hepatitis A Virus (HAV) | Hepatitis B Virus (HBV) | Hepatitis C Virus (HCV) |
Transmission | Fecal-oral route (contaminated food/water) | Blood and body fluids (unsafe sex, sharing needles) | Blood-to-blood contact (sharing needles, transfusions) |
Vaccine Available | Yes | Yes | Yes |
Chronic Infection | No (usually acute) | Yes (can become chronic) | Yes (often becomes chronic) |
Symptoms | Mild flu-like symptoms, jaundice | Variable, from none to severe symptoms | Often asymptomatic, but can lead to liver damage |
Chronic Complications | None | Cirrhosis, liver cancer | Cirrhosis, liver cancer |
Preventable by Vaccine | Yes | Yes | No |
Treatment | Supportive care | Antiviral medications | Antiviral medications |
PYQ:
Which one of the following statements is not correct? (2019) (a) Hepatitis B virus is transmitted much like HIV. (b) Hepatitis B, unlike Hepatitis C, does not have a vaccine. (c) Globally, the number of people infected with Hepatitis B and C viruses are several times more than those infected with HIV. (d) Some of those infected with Hepatitis B and C viruses do not show the symptoms for many years.
Which of the following diseases can be transmitted from one person to another through tattooing? (2013) 1. Chikungunya 2. Hepatitis B 3. HIV-AIDS Select the correct answer using the codes given below. (a) 1 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3
Practice MCQ:
Consider the following statements regarding Hepatitis C virus: 1. It is spread mainly through contaminated water and food. 2. It primarily affects the functioning of respiratory system. Which of the statements given above is/are correct? (a) Only 1 (b) Only 2 (c) Both 1 and 2 (d) Neither 1 nor 2 |
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