Researchers recently investigated the SEN virus prevalence among hemodialysis patients in Iraq. This DNA virus often links to blood transfusions and serves as a significant cause of post-transfusion hepatitis. Specifically, the study focused on SENV-D and SENV-H, which belong to the non-A to E hepatitis category. Because these viruses pose risks to patients requiring frequent blood exposure, understanding their distribution is crucial for clinical safety.

Significance of SEN Virus Prevalence in High-Risk Groups

The investigation included 120 participants from the Ibn-Sina Dialysis Center and a control group of blood donors. Among the dialysis patients, the SEN virus prevalence for genotype D reached 12.50%. In contrast, the control group showed 0.00% prevalence for SENV-D. Furthermore, the researchers detected SENV-H in 6.25% of the dialysis group compared to only 2.50% in the controls. These findings highlight a significantly higher risk for individuals undergoing regular hemodialysis.

Moreover, the study identified a co-infection rate of 7.50% for genotypes D and H within the dialysis cohort. No co-infections appeared in the control group. The data also revealed a very strong association between distinct SENV genotypes and the status of Hepatitis B virus (HBV) or Hepatitis C virus (HCV). Additionally, SENV positivity correlated with elevated serum levels of Aspartate Aminotransferase (AST) and Alanine aminotransferase (ALT). Consequently, these correlations suggest that SENV might exacerbate liver injury in patients already compromised by other hepatotropic viruses.

Therefore, health officials should categorize SENV as a serious blood-borne threat. Because the virus exists in both patients and donors, it suggests a persistent risk of transmission through blood exposure. Ultimately, regular screening could help mitigate the spread of these genotypes in clinical settings.

Frequently Asked Questions

What are SENV-D and SENV-H?

SENV-D and SENV-H are specific genotypes of the SEN virus, a single-stranded DNA virus. They are primarily known for their association with non-A to E hepatitis and transmission via blood transfusions.

Why is the SEN virus prevalence higher in dialysis patients?

Dialysis patients often experience frequent blood exposure and multiple transfusions. These factors significantly increase their risk of acquiring blood-borne pathogens compared to the general population.

Does SENV infection affect liver function?

Yes, research shows that SENV positivity often correlates with higher levels of liver enzymes like AST and ALT, especially when co-infected with HBV or HCV.

Disclaimer: This content is for informational and educational purposes only. It does not constitute medical advice or a professional relationship. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

1. Hameed Mohsin I et al. Prevalence of SEN Virus-D and SEN Virus-H Among Hemodialysis Patients in Diyala Province. Viral Immunol. 2026 Mar 30. doi: 10.1177/08828245261438006. PMID: 41911011.


2. Abd El-Hady SI et al. Prevalence of SEN Virus (SEN-V) Infection Among Patients on Maintenance Hemodialysis in Egypt. World Health Organization Regional Office for the Eastern Mediterranean. 2015.


3. Umemura T et al. SEN virus infection and its clinical relevance in patients with systemic lupus erythematosus or hemodialysis. Journal of Clinical Virology. 2003;26(3):371-377.