Calcutta HC Orders One-Week Probe Into Blood and Plasma Distribution Irregularities

Hepatitis B is a viral infection that affects the liver and can cause both acute and chronic disease. The hepatitis B virus is transmitted through contact with infected blood or other body fluids. Common routes of transmission include from mother to child during birth, through unprotected sexual contact, sharing of needles or syringes, and exposure to contaminated medical equipment. Healthcare workers are also at risk through accidental needle stick injuries. Understanding how the virus spreads is important for prevention and early detection through appropriate laboratory testing.

Laboratory testing plays a crucial role in diagnosing hepatitis B infection and monitoring disease progression. The most common initial test is the hepatitis B surface antigen test, which detects the presence of the virus in the blood. If this test is positive, it indicates an active infection. Additional tests include hepatitis B surface antibody testing, which shows immunity either from vaccination or recovery from past infection, and hepatitis B core antibody testing, which helps distinguish between acute and chronic infections. Liver function tests are also performed to assess how well the liver is working and whether there is any damage.

For people diagnosed with chronic hepatitis B, regular monitoring through laboratory tests is essential. This includes periodic checks of viral load, which measures the amount of virus in the blood, and tests to evaluate liver enzyme levels. These tests help healthcare providers determine if treatment is needed and how well the liver is functioning over time. In some cases, additional specialized tests may be ordered to check for liver fibrosis or cirrhosis, which are potential complications of long-term hepatitis B infection.

Prevention of hepatitis B is highly effective through vaccination, and laboratory testing can confirm immunity by checking for protective antibody levels. People who are at higher risk, such as healthcare workers, those with multiple sexual partners, individuals who inject drugs, and those living with someone who has hepatitis B, should consider getting tested. Early detection through laboratory screening allows for timely medical intervention and helps prevent transmission to others. If you believe you may have been exposed to hepatitis B or fall into a high-risk category, consult with a healthcare provider about appropriate testing options.