These checklists, scrawled in handwriting on paper pasted to the hospital wall, are used by volunteer doctors and nurses to diagnose and treat patients who come in with symptoms of malaria and typhoid. Both are diseases that we rarely see in the US, but are strikingly common in Haiti. This also ... Read More
Nonseptate hyphae of Mucor pusillus which have occluded a vessel. H & E stain Read More
On a dark-blue background, this illustration provides a 3D graphical representation of a generic influenza virion’s ultrastructure, and is not specific to a seasonal, avian or 2009 H1N1 virus. A portion of the virion’s outer protein coat has been cut away, which reveals the virus’ contents, and ... Read More
Tangential sections of hyphae of Mortierella sp. in a skin ulcer Read More
Louis Pastuer - not just the guy whose responsible for your milk (and orange juice, beer, almonds, ciders, soy sauce, & about a dozen other products) being cooked @ high temps to make them last longer - but a brilliant scientific mind whose researches into disease prevention has saved countless ... Read More
Ahh Rabies, we meet again.
When I worked in vet medicine, it was amongst the few diseases that everyone - doctors, clients, support staff, human law enforcement officers, etc. - knew & feared. Maybe it was it's nearly undefeated record & lethal reputation that drove such caution. After all,... Read More
Microsporum gypseum macroconidia. Interference microscopy (400X) Read More
The mosquito - God's cruelest instrument to ensure his creations stay in check?
The mosquito - proof that Evolution is a malevolent mistress that sups on human & animal misery alike?
The mosquito - spreader of VEE: Venezuelan equine encephalitis, which afflicts not only horses, donkeys, zebras... Read More
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