Image Den


Smallpox virus virion, magnification approximately 370,000x, transmission electron microscopy (TEM). The image shows the “dumbbell-shaped” structure inside the smallpox virion which is the viral core and contains the viral DNA. Smallpox infection is serious, contagious and in some cases a fatal. Raised bumps, fluid-filled blisters (pox) that appear on the face and body of an infected person are typical signs of infection. Image courtesy of the Centers for Disease Control and Prevention (CDC) / Dr. Fred Murphy; Sylvia Whitfield.

Candida parapsilosis

Candida parapsilosis or Candida yeast. Magnification 1400, scanning electron microscopy. Candida species are part of the normal flora of mucous membranes of the mouth, gut and vagina. They are opportunistic fungi which may grow and become invasive if the host is immunologically compromised; steroid therapy, malnutrition, diabetes and antibiotic suppression of the normal bacterial flora are predisposing factors. Candida parapsilosis is an important non-albicans species which infects hospitalized patients. Biofilm production by the yeast plays an important role in C. parapsilosis outbreaks. Courtesy of Dennis Kunkel.

Featured Items

By The Science Learning Hub.
We see the term ‘biodegradable’ on some products that we buy, such as washing powders and shampoo, but what does it actually mean?

By Scientific American.
The standard techniques for looking at the diversity of microbial populations may be missing a substantial quantity of important bacteria.

By The Encyclopedia of Earth.
Aflatoxin contamination is a common phenomenon produced by the fungus Aspergillus flavus, acting on food crops consumed in both developing countries and, occasionally, in the United States.

Promoting molecular biology studies in Europe.

ISID is committed to improving the care of patients with infectious diseases, the training of clinicians and researchers in infectious diseases and microbiology, and the control of infectious diseases around the world.

This bacteria is a rod-shaped, gram positive organism that ferments sugars to produce lactic acid and ethanol under certain select environments. This organism is commonly found in various fermented food products and has become of interest in the probiotic field as it can help reduce the negative effects of pathogenic bacteria.

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