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Year : 2021  |  Volume : 10  |  Issue : 1  |  Page : 373-377

A three year Seroepidemiological and molecular study of Epstein –Barr virus infection among different age groups with hematological malignancies in a Tertiary care centre of North India ( 2017 -2019)

Department of Microbiology, SGPGIMS, Lucknow, Uttar Pradesh, India

Correspondence Address:
Dr. Sweta Singh
Department of Microbiology, SGPGIMS, Lucknow - 226 014, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jfmpc.jfmpc_1594_20

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Purpose: Epstein-Barr virus (EBV) is a member of the family Gamma Herpes viridae and is usually implicated in malignancies like non-Hodgkin's lymphoma, Hodgkin's lymphoma and Burkitt's lymphoma. The present study was designed with the aim to estimate the seroprevalence of EBV in people with hematological malignancies and further follow up was planned by viral load quantitation by Real time PCR in positive cases. Methods: The current study was planned for a period of three years and a total of 272 serum samples were tested from patients with hematological malignancies namely; HL, NHL, ALL, CLL. Serological testing was performed for the presence of IgM and IgG antibodies against EBV viral capsid antigen. Sera of the patients found positive for IgM was further subjected to viral DNA extraction and Real Time Quantitative PCR was performed by a commercial kit. Results: The overall seropositivity rate was 89.2% for EBV IgG antibodies and 56.1% for IgM antibodies. The seroprevalence for anti-EBV VCA IgM was found to be highest in the age group <10 years (34.8%) and 11–22 years (20.4%). Of the 109 EBV positive strains by PCR, 27.3% were HL, 35.2% NHL, 24.3% ALL and 13.7% were CLL. The mean viral load was 68.7 × 107 copies/ml DNA. Conclusion: Our study showed a higher seroprevalence and a definite causal relationship of EBV in lymphoma patients. Young adults showed a higher risk of hematological malignancies as compared to elder population. This study can prove to be an essential guide and aid to the primary care physicians in identifying the possible risk factors and seroprevalence in various age groups of EBV malignancy patients for their proper follow up and referral to higher speciality centres.

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