Creepy Dreadful Wonderful Parasites

For this week's case, I'm going to take advantage of whole slide imaging technology via the cloud. The specimen is a section of larg...

Answer: Trichuris trichiura, the human whipworm. It's hard to top Blaine's excellent description of the diagnostic features for th...

This week's case is a fun identification from Florida Fan. A podiatrist submitted a toe nail sample from an elderly female for fungal sm...

Answer: Demodex folliculorum , the follicle mite. What is it doing on the toe? Well, toes have follicles too! It's true that we genera...

This week's case is of a patient with recurrent fevers. No further history is available, but the following were noted on Giemsa-stained ...

Answer: Borrelia spp., relapsing fever group. Molecular studies are needed to definitively identify the causative agent. However, knowing th...

This week's case features a zoonotic infection that can potentially involve humans. The patient is a sheep named Mr. Grumpy. Although gr...

Answer: blow fly larvae; either Phormyia regina (black blow fly) or Cochliomyia macellaria (secondary screwworm) This was a tricky one giv...

Welcome to my 500th Parasite Case of the Week - a special celebration of our parasitology community. I feel so fortunate to have such wo...

Reminder - I am still taking parasite art submissions for Case of the Week 500! I will feature all artwork on my blog, along with the result...