2009 H1N1 'Swine flu'
- Negative stain image of the 2009 H1N1 Influenza
Negative stain electron microscope image of the 2009 H1N1 Influenza A/CA/4/09 (This signifies an H1N1 strain of Influenza A that was circulating in California in 2009.)
- CDC / C.S. Goldsmith and A. Balish
- Timeline Category: