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Washington DC H1N1 Mass Vaccination Poster 2009

H1N1 Mass Vaccination Clinic poster from a high school located in NorthWest, DC, November 6, 2009. Read More

Plasmodium malariae

Plasmodium malariae band form trophozoite. (1000X). Read More

FUNGI COLONY ON PETRI DISH LOOK A PICTURE OF A MAN

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This is a fungal colony in PES COLLEGE, BANGALORE , INDIA .

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b324-1 clostridium ramosum, peptostreptococcus spp, peptococcus spp and bacteroides fragilis

b324-1 clostridium ramosum, peptostreptococcus spp, peptococcus spp and bacteroides fragilis Read More

Clostridium sporogenes

Clostridium sporogenes on egg yolk agar Read More

Public Domain Images of the H1N1 Influenza Virus

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

Mortierella isabellina

Sporangia and sporangiophore of Mortierella isabellina. LCB Stain Read More

Escherichia coli and Salmonella derby

Escherichia coli and Salmonella derby on XLD agar Read More

The actin-based movement of Listeria monocytogenes within and between host cells

These bacteria induce the assembly of actin-rich tails in the host cell cytoplasm, which enable them to move rapidly. Motile bacteria spread from cell to cell by forming membrane-enclosed protrusions that are engulfed by neighboring cells. (B) Fluorescence micrograph of the bacteria moving in a ... Read More

Tangential sections of hyphae of Mortierella sp. in a skin ulcer

Tangential sections of hyphae of Mortierella sp. in a skin ulcer Read More

Entomophthora phycomycosis

Entomophthora phycomycosis. Front view of face Read More

H and E stained lung sections of patient with legionella pneumophila

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

N. gonorrhoeae

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

Yeast cells (Saccharomyces) and bacterial rods (Bacillus subtilis)

Unstained, temporary wet mount showing size relationship between yeast cells (Saccharomyces) and bacterial rods (Bacillus subtilis). (approx. X 100). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

mixed escherichia coli and staphylococcus aureus smear gram stain (1000x)

mixed escherichia coli and staphylococcus aureus smear gram stain (1000x) Read More

Clostridium botulinum

Clostridium botulinum on egg yolk agar. Note a absence of precipitate around colonies. 5X - LeBeau Read More

Mycoplasma - adhesion of symbiont infection structure to host

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

Candida albicans and Pseudomonas aeruginosa

Blood agar culture of sputum from patient with pneumonia. Compromised host. Colonies of Candida albicans and Pseudomonas aeruginosa. Note hemolysis around colonies of Pseudomas aeruginosa and colony morphology. Read More

Salmonella sp. colonies

Salmonella sp. colonies on XLD media Read More

Neisseria gonorrhoeae diplococci

Type IV pilus filaments on Gram-negative bacterial pathogens control movement, attachment, immune escape, and natural transformation. Pili are attractive targets for vaccines and therapeutics because of the key role they play in bacterial virulence as well as their prominent cell surface exposur... Read More

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