Illustration of human beta-interferon as a glass surface model with indicated deeper ribbon model on a dark background. Beta-interferon is produced by virus-infected fibroblasts in response to the recognition of viral or bacterial nucleic acid. It activates surrounding cells in which proteins are produced that inhibit further (viral) protein synthesis in those cells and promote degradation of viral and cellular RNA., by medicalgraphics/F1online

Photo website with Rights Managed and Royalty Free stock photos, images, illustrations and footage available for download immediately for commercial and editorial uses. Aflo is a leading independent supplier and producer of stock pictures and visual content. Search and find high quality images and video for design, print, web-use and publishing. Buy photos from our extensive collection of model released and property released sports images. Search some of the most beautiful travel and landscape pictures from our own photographers and license from our large collection of content, modern and archive, focusing on Japan. We provide free research. Register for personal account management and for full use of our Stock Photography website and start to download images now.