Log in
Email
Password
Register
Menu
Explore
Newest photos
Popular photos
Contribute
Submission guidelines
Photographer signup
Photographer login
About
About Freerange
Image license
API
Contact us
Support
Contact support
FAQ
Login
Login
Register
Search all
Photos
Illustrations
Match All
Match Photo ID
Newest
Popular
Select Category
AI Generated
CC0 Images
Editorial and News
Animals & Insects
Architecture
Architectural Details
Arts & Music
Backgrounds & Textures
Cities and Modern Life
Business & Office
Flowers and Plants
France
Food & Drink
Holidays & Occasions
Health and Fitness
Landmarks
Interiors
Illustrations
Industry & Agriculture
Landscapes & Nature
Letters and Numbers
Objects
Other
Military
People
Signs & Symbols
Sky and Clouds
Space
Sports & Recreation
Technology
Wallpapers
Free Stock Images
Sponsored images from iStock
View footage results
Click to save 15% sitewide with code
FREERANGE15
View More
77 free bacterium photos from Freerange
Filter results
Popular
Most Viewed
Newest Photos
All licenses
Freerange
CC0
Photos & Illustrations
Photos
Illustrations
Per Page
25
50
100
Salmonella bacteria
Salmonella bacteria growing on an agar plate.
Scientist using microscope in laboratory
Scientist using microscope in laboratory with test tube background. Medical healthcare technology and pharmaceutical research and development concept
Scientist in laboratory with sample
Scientist in laboratory with holding a test tube. Medical healthcare technology and pharmaceutical research and development concept
Research lab
Scientist using microscope in laboratory with test tube background. Medical healthcare technology and pharmaceutical research and development concept
Bacteria on an agar plate
Sewage bacteria growing on an agar plate.
Killing Bacteria and Viruses - Infectious Disease Treatment
Killing Bacteria and Viruses - Infectious Disease Treatment
Petri Dish Bacteria
Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.
Bacteria
Rod bacteria viewed under a microscopy at 1000x.
Microscope
Science microscope for biology and microbiology
Bacteria
Examining bacteria colonies on an agar plate.
Infectious Microbes on Blood Red Background - Virus and Bacteria
Infectious Microbes on Blood Red Background - Virus and Bacteria Illustration
Microbes on the Crosshairs - Fighting Infection by Viruses and B
Microbes on the Crosshairs - Fighting Infection by Viruses and Bacteria
Killing Bacteria and Viruses - Infectious Disease Treatment
Killing Bacteria and Viruses - Infectious Disease Treatment
Coliforms
Coliforms growing on DC media.
Test tubes cantaining media
Test tubes containing microbiological media for culturing bacterial.
Bacteria
Bacillus bacteria stained pink, 1000x
Bacteria
Bacillus bacteria stained pink.
Microbiology
Microorganisms growing.
Microbiology
Biological waste.
Food Safety
Counter top being examined for bacteria.
Bacteria growing on a perti dish.
Macro image of sewage bacteria.
Researcher in laboratory
Scientist using microscope in laboratory with test tube background. Medical healthcare technology and pharmaceutical research and development concept
Microbiology
Microorganisms growing.
Microbiology
Bacteria growing on a petri plate.
Killing Bacteria and Viruses - Infectious Disease Treatment
Killing Bacteria and Viruses - Infectious Disease Treatment
Find even more royalty free stock photos from the world's best photographers
View
of
4
Try your search on iStock: