As the old saying goes, can beat a pound of the Shigella bacteria, seen here penetrating the intestinal mucosa of some poor soul.
Killing approx. 1 million people annually - most of them children, Shigella is best prevented by two simple strategies: washing hands before handling food & thorou... Read More
See those round, fuzz-ball looking things? You're seeing Lassa fever, up close & personal courtesy of a TEM microscope.
Another of those fearsome hemorrhagic fevers, Lassa virus is a member of the Arenaviridae family.
If you learn nothing more about Lassa fever, learn about Aniru Conteh.
F... Read More
Aspergillus restrictus from generalized aspergillosis. Note radiating hyphae in granuloma Read More
Since it's 1st recorded outbreak (1976) in the Democratic Republic of the Congo's Ebola River Valley, the Ebola virus has been known - and feared - for good reason.
Why, you may ask?
Ebola hemorrhagic fever is potentially lethal and encompasses a range of symptoms including fever, vom... Read More
Saints preserve us from this one. A highly contagious hemorrhagic fever, Marburg is less well known that it's cousin Ebola, (they're both members of the deeply troublesome Filovirus family) but no less deadly.
The 1918 Spanish flu epidemic was caused by an influenza A (H1N1) virus.
Responsible for more deaths during World War I than all the bombs, bullets, poison gases, & artillery shells used, it killed more than 500,000 people in the United States, and up to 50 million worldwide.
The possible so... Read More
Smallpox is a serious, highly contagious, and sometimes fatal infectious viral disease. There is no specific treatment for smallpox disease, and the only prevention is a smallpox vaccination. Read More
This image depicts the quantitative difference in hemolytic reactivity seen in a trypticase soy agar culture plate containing 5% sheep’s blood growing group-D Streptococci (left wedge), group-B Streptococci (middle wedge), and group-A Streptococci (right wedge) bacteria. This plate was grown u... Read More
Magnified 1125X, this photomicrograph revealed some of the ultrastructural morphology displayed by the dematiaceous (pigmented) filamentous fungus, Phialophora richardsiae.
Note the septate hyphae from which sprout the short conidiophores, and still further distally one can see the flask-shap... Read More
Science blogger Cesar Sanchez of the site Twisted Bacteria (twistedbacteria.blogspot.com) created the above word cloud that was generated from approximately 1200 tweets that appeared on Twitter during the American Societ... Read More
Washington, DC artist Michele Banks, aka Artologica, is a painter who, in her own words, "uses an old and often-disrespected medium, watercolor, to create pieces that are anything but old-fashioned." Her works in Makers Market focus on biological and medical themes, particularly the microscopy o... Read More
An important question about the retrovirus XMRV, which has been implicated in prostate cancer and chronic fatigue syndrome, is where the virus replicates in humans. Such information would provide clues about how infection might be transmitted. To date the virus has been detected in malignant pro... Read More
Exophiala jeanselmei colony, 37 days at 30 degrees C on cornmeal. Slow-growing, brown colony Read More
Conidia of Exophiala jeanselmei. Sporulation is from 'shoulder' or distal end of a hyphal cell, or from the tip of a conidiophore. LCB stain. Read More