by Gertrud U. Rey Image adapted from Byrd-Leotis et al. Public health officials are continuing to monitor the spread of avian H5N1, the strain of influenza virus associated with “bird flu.” Although there is still no evidence that this virus can transmit from one person to another, two recently infected ...

by Gertrud U. Rey As discussed in my previous post, we first became aware of human immunodeficiency virus (HIV) in the early 1980s. However, when did the virus actually emerge in humans, and where did it come from? Photo of a chimpanzee by Andrius Ordojan There are two strains of ...

by Gertrud U. Rey This post was written in honor of Virus Appreciation Day, which occurs annually on October 3. Public awareness of human immunodeficiency virus (HIV) began in the early 1980s when separate clusters of infected individuals were identified in Los Angeles, San Francisco, and New York. These individuals ...

by Gertrud U. Rey Recent news headlines have featured a mysterious and presumably new illness termed “sloth fever.” More aptly named Oropouche fever, the disease is caused by Oropouche virus (OROV), an arthropod-borne virus that is transmitted primarily through the biting midge Culicoides paraensis. OROV typically circulates in sloths, non-human ...

by Gertrud U. Rey It is well known that stress and exposure to UV radiation can reactivate replication of latent herpes simplex virus type 1 and/or type 2 (HSV-1 and/or HSV-2), and the painful lesions associated with these infections. But why is that? During a primary infection, HSV-1 and HSV-2 ...