introductio dengue fever is the world’s most important hemorrhagic fever, especially in america, pacific islands, and asia. in countries like ours where viral hepatitis, malaria, enteric fever are common; it represents a challenge to identify the etiology of acute fever complicated by hepatitis. case presentation we report a case of acute hepatitis in a 7-year-old male with dengue hemorrhagic f...

Background: HIV infected persons are also at risk for Infection with other pathogens, like Hepatitis B virus (HBV) and Hepatitis C virus (HCV). One of the main steps in the planning of treatment and prevention is the study of the HIV positive population who have HBV and/or HCV infection. The objective of this study was to determine the prevalence of HIV and Hepatitis B and C dual infection in ...

patients and methods five hundred and sixteen serum samples of the patients undergoing hemodialysis and kidney transplantation from various cities of khuzestan province were collected. anti-hepatitis g e2 antibodies were investigated by elisa method. rnas were extracted from serums and hepatitis g rna was detected by rt-pcr. results of the 516 samples, 38 (7.36%) specimens were positive for ant...

BACKGROUND Hepatitis D (or hepatitis delta) virus is a defective virus that relies on hepatitis B virus (HBV) for transmission; infection with hepatitis D can occur only as coinfection with HBV or superinfection of an existing HBV infection. Because of the bond between the two viruses, control measures for HBV may have also affected the spread of hepatitis D, as evidenced by the decline of hepa...

It has been a century since the initial discovery of the possible link between viruses and tumors. During the past century, extensive studies have been conducted to understand the relationship between viruses and cancers. The early studies were focused on tumor viruses that do not cause cancers in their natural hosts. These studies provided the basis for the subsequent studies on the six known ...

Lectins are a group of highly specific carbohydrate-binding proteins with wide spectrum action, involved in the so-called «first line» body defense. These unique biomolecules show high specificity for various mono- and oligosaccharides, primarily viral bacterial glycoconjugates. Cyanobacteria lectins effective against enveloped viruses an appealing alternative to existing synthetic drugs. Virtu...

Hepatitis is a general term meaning inflammation of the liver, which can be caused by a variety of viruses. However, a substantial number of cases remain with unknown aetiology. We analysed the serum of patients with clinical signs of hepatitis using a metagenomics approach to characterize their viral species composition. Four pools of patients with hepatitis without identified aetiological age...