![](http://www.alamy.com/thumbs/6/F03C2940-7266-4AFF-8825-03FF7B530E3D/2C323YC.jpg)
Man thinking about the virus and bacteria
Size: 3600px × 2400px
Photo credit: © Panther Media / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: aids, alert, anti, attack, background, bacteria, biology, biomedical, blood, diseases, epidemic, figure, genetics, hand, health, hiv, holding, human, ill, illness, immune, infections, life, man, medicine, microbes, microbiology, microscopic, nucleus, organic, organism, physiology, research, science, scientific, sick, sickness, symbol, textured, transparent, viral, virus