Swine influenza
A depiction of the different structures present on and in an influenza virus. Of special note is HA (hemagglutinin), the glycoprotein critical for influenza attachment and entry into host cells.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Flu und legende color c."
http://commons.wikimedia.org/wiki/File:Flu_und_legende_color_c.jpg
Wikimedia
Public domain.
