FDA microscopy can be used as a simple and rapid TB treatment monitoring tool in resource limited settings to identify those patients requiring immediate culture and DST test.

INTRODUCTIONHepatitis B virus (HBV) infection is one of the major infectious diseases without seasonal distribution. 1 Medical students are at risk of acquiring HBV infection due to contact with patients' blood or other body fluids in healthcare or laboratory settings. 2 In the state of Maharashtra, 85% of medical students are admitted to the Bachelor of Medicine, Bachelor of Surgery (MBBS) course from various parts of Maharashtra while 15% are admitted through All-India quota. Hepatitis B vaccine is administered under the routine child immunization programme of many Indian states but vaccination coverage is not uniform nationwide. As a consequence, some medical students are either not vaccinated or incompletely vaccinated against hepatitis B infection. ABSTRACTBackground: Medical students are at risk of acquiring hepatitis B virus infection due to occupational contact with patients' blood or other body fluids. This study was conducted to determine knowledge of hepatitis B virus infection and anti-HBS antibody titer amongst medical students. Methods: This cross-sectional observational study was conducted on medical students who satisfied the intake criteria and gave written informed consent to participate in the study. After Institutional Ethics Committee clearance, written informed consent was obtained and a structured, pre-validated questionnaire (pre-test) was administered to the participants. After an educational session, an identical questionnaire was administered (post-test). For determining anti-HBs titer (vaccinated participants) and HBsAg (non-vaccinated participants), blood was aseptically collected by cubital venepuncture. HBsAg and anti-HBs antibody levels were determined by immuno-chromatographic assay and enzyme-linked immunosorbent assay, respectively. Results: 140 healthy, HBsAg-negative medical students (79 males; 61 females) participated in the present study. There was increased median correct response in the post-test with increased minimum and first quartile. 91 (65%) who were vaccinated against Hepatitis B were enrolled for anti-HBs titer estimation. There was no significant gender difference in mean antibody titer. 19 (20.9%) had inadequate levels of anti-HBS antibodies. 50% seroconversion was seen after single dose of hepatitis B vaccine. Conclusions: It is essential to delve into the logistic aspects of evaluating all medical students for hepatitis B infection, procuring and offering free vaccination and assessing anti-HBS titer of vaccinated individuals.

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