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Got one nasty sucker here folks . . .

Seen here via immunohistochemical staining of a gastric biopsy is the Heliobacter Pylori bacteria, or H. Pylori if you're in a hurry.
Able to survive the intensely acidic environment that is the human stomach, H. Pylori actually gets downright comfortable there. The bacterium has flagella and... Read More

Coccidioidomycosis. Map of endemic areas.

Coccidioidomycosis. Map of endemic areas (outlined on black) in South America Read More

Plasmodium ovale

Plasmodium ovale amoeboid troph showing fimbriated RBC. (1000X) Read More

Algae and Diatoms

This image by Dr. Arlene Wechezak, Anacortes, Washington, United States, won 10th place in Nikon's 2009 Small World microscopy competition. Nikon's Small World Twitter feed (@NikonSmallWorld) is currently showcasing algae and larvae that are in danger in the Gulf oil spill. Read More

Why we should wash our hands regularly #3

When I first saw this photomicrograph of Haemophilus influenzae via immunofluorescence, I thought of the opening days of the first Gulf War, when CNN showed wall to wall images of the bombing of Baghdad. The crude nightvision technologies available at the time rendered everything in that green/... Read More

Why we should wash our hands regularly #2

Because it isn't just for Establishment squares anymore!
As WellBee - debuted in 1964 - so aptly illustrates, (in a slightly dated style, considering the presence of readily available finger-nail toothpicks) simple hand washing is the most important tool available to prevent the spread of a who... Read More

Zoonotic villains #6 - Streptococcus group C

Mmmmm, kinda looks like couscous right?
Well, though it might resemble a tasty side dish that's beloved in the Maghreb, it's actually a gnarly bacteria that causes URI's (upper respiratory infections) in both humans & animals.
Humans can prevent it by refraining from drinking unpasteurized mil... Read More

Why we should wash our hands regularly #1

Pseudomonas aeruginosa is a common bacterium which can cause disease in animals and humans.
An equal opportunity offender, it uses a wide range of organic material for food; in animals, this versatility enables 'ol Pseudomon here to infect damaged tissues or people with reduced immunity.
The... Read More

Corona - but not the kind a good guest brings to your summer picnic

Remember SARS? Or the last time you had a nasty cold? Lay your troubles at this bad-boy's door.
In fact, SARS-CoV - the Corona variant that causes SARS - has the rather unique quality of causing both upper & lower respiratory infections, and gastroenteritis.
Note as well that the Coronavi... Read More

Here's the one that got me, Doctor

Having recently (and barely) recovered from a tangle w/ this character - the Norovirus - I've a new found respect for it's potency.
After all, anything that can reduce a grown man to a weak as a kitten, aching, cursing his immune system wretch should be rightly acknowledged as worthy. Read More

Paracoccidioides brasiliensis

Paracoccidioides brasiliensis. Tissue form grown in vitro at 37C Read More

Photo from Haiti: how to diagnose malaria and typhoid

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

Nonseptate hyphae of Mucor pusillus which have occluded a vessel. H & E stain Read More

Influenza viron

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

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

Sporangiophore

Sporangiophore and columella of Mucor pusillus from culture. LCB stain Read More

Rabies bonus feature/Thank you to L. Pastuer

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

Zoonotic villains #5 - the Rabies virus

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

Monascus sp.

Monascus sp. Cleistothecium with asci. Nomarski. (800X) Read More

Microsporum gypseum macroconidia

Microsporum gypseum macroconidia. Interference microscopy (400X) Read More

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