Senior Airman Austin Shrewsbury, 88th Diagnostics and Therapeutic Squadron medical laboratory technician, performs a Gram stain to a slide inside the microbiology laboratory at Wright-Patterson Air Force Base medical center June 30, 2017. Gram staining is a method of staining bacteria to make it more visible and differentiable under a microscope.

---

Size: 1581px × 1265px
Photo credit: © Dudley Little / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, america, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa