Many new names sounded as if they’d been cooked up by a medieval monk. HIV-1 would henceforth be known as Lentivirus ...

If you are wondering what the different letters and numbers used to name influenza viruses mean, such as H1N1, H3N2, H5N1 and influenza A, B, C or D, you are probably not alone. The letters and ...

As flu season ramps up in the U.S., influenza is not as simple as it first appears, with several different strains in play.

Avid virus-watchers will know that influenza viruses that make the news often feature the letters "H" and "N" in their names, such as H5N1 or H9N2. Those are examples of "Type A" influenza viruses ...

Researchers are making substantial progress in developing safe and effective vaccines against the dengue virus. Currently, a large number of dengue vaccine candidates are being tested in ...