by Gertrud U. Rey Remember the series of flashbacks in the ending of the movie “Contagion,” which reveal where the virus originated and how the pandemic started? As a tree is cut down, a colony of bats flies out of the tree to seek new shelter. While in flight over ...

by Gertrud U. Rey Did you know that eight percent of the human genome consists of DNA sequences that are derived from retroviruses? These “endogenous retroviruses” (ERVs) represent concrete evidence for retroviral infections that occurred in our ancestors. Although ERVs have no viral activity, an accumulating body of evidence suggests ...

by Gertrud U. Rey Have you ever wondered why some viruses circulate primarily in the winter and others are more prevalent in the summer? Although we don’t have a clear answer to this question, a combination of factors is likely responsible.   Work done in the field of respiratory viruses ...

by Gertrud U. Rey Child in Papua New Guinea receiving OPV. Credit: WHO In 1988 the World Health Organization, Rotary International, UNICEF, and the U.S. Centers for Disease Control and Prevention passed the initiative to eradicate polio globally by the year 2000. We are now 23 years past this deadline, ...

by Gertrud U. Rey Almost sixty years have passed since the initial formalin-inactivated respiratory syncytial virus (RSV) vaccine caused enhanced disease in children when they were subsequently infected with the virus. Since then, RSV has continued to be a substantial public health threat to infants, young children, and older people. ...