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 A viruses rapidly adjust their shape when placed in conditions that reduce infection efficiency, such as the presence of antiviral antibodies or host incompatibility. A virus’ shape is ...

Still, there’s a lot of flu virus flying around out there right now, and Dr. Russo says it’s important to do what you can to lower the odds you’ll contract it. How can I protect myself?