Introduction Occult hepatitis B virus (HBV) infection, so-called occult B infection (OBI), is defined by the recognition of HBV-DNA in the absence of serum hepatitis B surface antigen (HBsAg). The HBV-DNA genome in OBI is ...

The unprecedented COVID-19 pandemic has risen a number of clinical situations where the principles of the medical act, the singularity of the patient-physician relationship and the need for revitalizing the medical vocation ...

Following the advent of penicillin as first widely used antibiotic during World War II, viruses have steadily replaced bacteria as major agents of infections, particularly for microorganisms that can spread globally. Good ...

Africa is the largest endemic area for HTLV-1, with many molecular genotypes. We previously demonstrated that some strains from North Africa (a-NA clade) originated from a recombinant event between Senegalese and West ...

Human immunodeficiency virus type 2 (HIV-2) was isolated in AIDS patients in 1986. Around 1-2 million people are infected worldwide. The virus is less transmissible than HIV-1, being sexual contacts the most frequent route ...

Since the first report of a cluster of pneumonia cases in Wuhan (China) at the end of 2019 due to a new airborne highly transmissible coronavirus known as SARS-CoV-2, large-scale spreading has rapidly become a global ...

The meta-analysis published by Gill Schierhout and colleagues1 reported an increased relative risk of premature death in individuals infected with HTLV-1 compared with individuals not infected with HTLV-1 (RR 1·57, 95% CI ...

To the Editor—We read with interest the article by Patel and colleagues [1], which reported an unexpected 33% prevalence of anti–hepatitis delta virus antibodies (anti-HDV-Abs) in a large and representative US household ...

Medical and social attention to HIV infection has declined globally and is increasingly focused on developing regions, where the epidemic is still largely uncontrolled. In North America and western Europe, AIDS is rarely ...

Background: HIV-1 and HIV-2 differ in their antiretroviral (ARV) susceptibilities and drug resistance mutations (DRMs). Methods: We analyzed published HIV-2 pol sequences to identify HIV-2 treatment-selected mutations ...