Case of the Week 635
This week ' s case features a fun finding in a concentrated wet prep of stool stained with iodine. The case and photograph are from Blaine Mathison and Madison Sant. The object below measures approximately 35 micrometers in diameter. Identification? (Source: Creepy Dreadful Wonderful Parasites)
Source: Creepy Dreadful Wonderful Parasites - April 19, 2021 Category: Parasitology Source Type: blogs
Answer to Case 635
Answer:Entamoeba coli,supernucleate cyst. TypicalE. colicysts have 8 nuclei, but I ' m counting at least 18 nuclei in this one. My first thought when I saw this photograph was - holy molyE. coli! Thanks again to Blaine and Madison for donating this fun case. (Source: Creepy Dreadful Wonderful Parasites)
Source: Creepy Dreadful Wonderful Parasites - April 18, 2021 Category: Parasitology Source Type: blogs
Case of the Week 634
This week ' s case was generously donated by Dr. Jos é Poloni. The following was found in a stool specimen. Identification? Significance? (you may need to click twice on the video below to play) (Source: Creepy Dreadful Wonderful Parasites)
Source: Creepy Dreadful Wonderful Parasites - April 12, 2021 Category: Parasitology Source Type: blogs
Answer to Case 634
Answer toParasite Case of the Week 634: Free-living mite, likely contaminant during specimen collection/preparation.Note the 8 legs (consistent with a member of the arachnidae) and the long spines (setae). It is easier to appreciate all 8 legs by carefully watching the video in this case.As noted by Marc Couturier, " I mite have to say this is a contamination of the preparation and not coming from stool. " I agree with this assessment! While this mite could have been ingested from a food source (e.g., mimolette cheese;see my previous post), I find it highly unlikely that the mite would still be alive and active...
Source: Creepy Dreadful Wonderful Parasites - April 11, 2021 Category: Parasitology Source Type: blogs
The Days of Miracles and Wonder
Here ' s a good overview by Derek Thompson in The Atlantic ofthe history of mRNA technology. This heretofore obscure field of biomedical research burst into view with the Covid-19 vaccines, but the apparent suddenness of vaccine development was misleading. As I have noted here before, the technology was decades in development. As the technology became more mature, Pfizer partnered with one of the speculative ventures, BionTech, originally to develop flu vaccines, and then of course pivoted to Covid-19. Unlike Moderna, Pfizer actually didn ' t take federal funding for that final stage of development. But for most of the dec...
Source: Stayin' Alive - April 6, 2021 Category: American Health Source Type: blogs
