May 31, 2023 — Influenza epidemics, caused by influenza A or B viruses, result in acute respiratory infection. They kill half a million people worldwide every year. These viruses can also wreak ...

They were able to order and receive all the genetic material necessary to recreate the 1918 pandemic influenza virus and the toxin ricin. “Our results demonstrate that nearly all DNA synthesis ...

Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental conditions ...

Pigs are the most important reservoir for influenza A viruses, acting as an intermediary host for both interspecies transmission and genetic reassortment. This is due to the high susceptibility of ...

Influenza is a common respiratory virus that is categorized into four types: A, B, C and D. Type C only causes mild infections and type D is not believed to infect humans. However, influenza A and ...

Two types of influenza viruses are responsible for seasonal flu outbreaks: Influenza A and B. Influenza A accounts for around 75 percent of all cases and tends to cause more severe illness in adults.

“RNA viruses like influenza have these enzymes that basically can’t spell-check themselves, so they make a lot of mistakes and mutations inevitably emerge,” Rasmussen said. In addition to ...

As the Centers for Disease Control and Prevention (CDC) explains, bird flu is a disease caused by the influenza A virus. At the same time, recent CDC data shows that seasonal influenza A is rising ...