Colonies of Histoplasma capsulatum growning on blood agar plates. Incubated at 30C. Note glabrous colonies without aerial mycelium Read More
This scanning electron micrograph shows mycoplasma (colorized pink), a genus of bacteria that lack a cell wall. Without a cell wall they are unaffected by many common antibiotics, such as penicillin, or other beta-lactam antibiotics that work by targeting cell wall synthesis. These mycoplasma ar... Read More
A dying pelican crawls away from the surf to die on the beach of Paita, Peru on May 2, 2012. According to Peruvian vice minister of Environment, Gabriel Quijandria, the cause of death of thousands of fish, sea birds and diverse animal wildlife that has been washing ashore in the northern coasts ... Read More
Listeria monocytogenes. Gram stain from BHI broth at 36 hours (1000X) Read More
H and E stained lung sections of patient from whom the legionella pneumophila was isolated stained with CDC's modification of the Dieterle silver impregnation procedure. Note the small, blunt pleomorphic intracellular and extracellular bacilli which stain brown to black against a pale yellow bac... Read More
Exophiala jeanselmei hyphae in walls of 'cyst'. Phaeohyphomycosis Read More
b324-1 clostridium ramosum, peptostreptococcus spp, peptococcus spp and bacteroides fragilis Read More
H1N1 Mass Vaccination Clinic poster from a high school located in NorthWest, DC, November 6, 2009. Read More
This Gram-stained specimen reveals N. gonorrhoeae intracellular diplococci, leading to a positive diagnosis of gonorrhea.
The genus Neisseria consists of aerobic, non-spore-forming Gram-negative coccobacilli, which inhabit the mucous membranes of humans. These microbes require a moist environ... Read More
Tangential sections of hyphae of Mortierella sp. in a skin ulcer Read More
This photomicrograph is showing Neisseria gonorrhoeae in a cervical smear using the Gram-stain technique. Thanks to the CDC's PHIL for the image. Read More
Clostridium botulinum on egg yolk agar. Note a absence of precipitate around colonies. 5X - LeBeau Read More
The U.S. Centers for Disease Control has just published a page that offers several public domain images of the H1N1 virus and several 3D graphical representations of seasonal influenza virus. There is also an image of the CDC developed PCR diagnostic test to detect novel H1N1 virus. The images a... Read More
This digitally-colorized scanning electron micrograph (SEM) depicted large numbers of Gram-positive Enterococcus faecalis sp. bacteria.
“Enterococci, leading causes of nosocomial bacteremia, surgical wound infection, and urinary tract infection, are becoming resistant to many and sometimes al... Read More