A live virus vaccine contains a live, weakened (attenuated) virus that helps your body develop an immune response without you developing symptoms of the disease it is intended to prevent. Examples ...
Obelisks are simpler than viruses, consisting of a stretched circular molecule with about a thousand letters of RNA. They are infectious agents that appear to colonize some bacteria in the mouths and ...
A new method can test the activity of thousands of RNA enzymes, called ribozymes, in a single experiment. The "RNA world" hypothesis proposes that the earliest life on Earth may have been based on ...
Scientists have long been trying to tease apart hepatitis A virus, to understand its inner workings and how it functions in the human body. Infectious disease researchers have discovered that a little ...