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, according to ...

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.

Colorized transmission electron micrograph of influenza A/H3N2 virus particles, isolated from a patient sample and then propagated in cell culture. Influenza A virus particles adapt shape—as ...

A pair of lungs preserved over a century ago from a deceased Spanish flu patient has helped unravel the genetic adaptations undergone by the virus to spread across Europe during the start of the 1918 ...