![](http://www.alamy.com/thumbs/6/7F6745D8-12AE-4303-B27C-188D3CF45F0A/2A9AW1Y.jpg)
Biohazard sign and a test tube
Size: 4896px × 3264px
Photo credit: © John Kevin / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: bacteria, bacterial, biohazard, biological, biology, care, culture, cultured, danger, dangerous, glass, growth, hazard, health, microbes, microbial, occupational, pathogens, prevention, safety, sick, sickness, sign, signs, symbol, symbols, test, tube, warning