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Herpes simplex, type 1

Herpes simplex, type 1. Isolate in human fetal diploid cell cultures, identified by direct FA staining Read More

Microsporum gypseum macroconidia

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

Swarm of paramecia

Swarm of paramecia surrounding an unidentified protozoan. Taken from the Wistreich Collection. Read More

Actinomyces

Actinomyces. Section through sulfur granule Read More

fd virus

fd virus membranes and various other assemblages. Credit: Dr. Zvonimir Dogic, Dr. Thomas Gibaud, Dr. Edward Barry & Mark Zakhary

2012 Nikon Small World Photomicrography Competition Image of Distinction

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Mycobacterium smegmatis

Mycobacterium smegmatis grown on TSA for 96 hrs.
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1976 Swine Flu Vaccination via Jet Injector

Use of a jet injector during the 1976 New Jersey Influenza A immunization project. 45 million adults in the United States received a vaccine containing the A/New Jersey/76 influenzavirus ("swine flu" virus).

Image via the CDC's Flickr site. Read More

Marburg virus virion

This colorized negative stained transmission electron micrograph (TEM), captured by F.A. Murphy in 1968, depicts a Marburg virus virion, which had been grown in an environment of tissue culture cells. Marburg hemorrhagic fever is a rare, severe type of hemorrhagic fever which affects both humans... Read More

An alternate view of amoebae fruiting bodies, with spores and bacteria.

An alternate view of amoebae fruiting bodies, with spores and bacteria. Related Story: Like Humans, Amoebae Pack a Lunch Before They Travel.

Some amoebae do what many people do. Before they travel, they pack a lunch.

In results of a study reported today in the journal Nature, evolutionary ... Read More

Smallpox vaccine - photos of immunization site

Click source to view photos of the development of a smallpox immunization lesion on a listener of This Week in Virology's arm. Read More

Toxoplasma gondii oocysts

Toxoplasma gondii oocysts from cat feces. IFA Read More

MicrobeWorld at the 2010 USA Science and Engineering Festival

This past weekend the USA Science and Engineering Festival came to Washington, D.C. The American Society for Microbiology and MicrobeWorld were present with our own booth in which we offered several microbe-related activities for attendees of all ages.

In this picture, Barbara Hyde, director... Read More

Methicillin-Resistant Staphylococcus aureus (MRSA) Bacteria

Scanning electron micrograph of methicillin-resistant Staphylococcus aureus bacteria (yellow, round items) killing and escaping from a human white cell. Credit: National Institutes of Health/Department of Health and Human Services (NIAID) Read More

Aspergillus sp.

Aspergillus sp. Early stage with sterigma and spores. Nomarski technique (800X) Read More

"Worm Love" - Caenorhabditis elegans

Princeton University Art of Science 2009 Online Gallery - "Worm Love" submission by Maria Ciocca, University of Pennsylvania School of Medicine

I am a graduate student in a lab that studies the process of asymmetric cell division in the development of model organisms, such as the nematode Cae... Read More

S. aureus on MSA Plate

For my medical microbiology course at Kutztown University of Pennsylvania we were asked to take a sample from our nose. Using a sterile cotton swab, a sample was taken from a nostril and then spread onto the Mannitol Salt Agar plate supplied. The plate was incubated at 37 degrees Celsius, then e... Read More

Behind the scenes: TWiV 200 at the NEIDL

We celebrated the 200th episode of TWiV by visiting the National Emerging Infectious Diseases Laboratories at Boston University Medical Center, where we met with Elke, Paul, and Ron to talk about building and working in a BSL4 facility. It was an amazing visit that will be fully documented in an... Read More

Euplotes cell division

Nikon Small World 2012 PHOTOMICROGRAPHY COMPETITION, IMAGE OF DISTINCTION, Rogelio Moreno Gill

Euplotes belongs to the class Nassophorea in the phylum Ciliophora; the ciliates, of which there are approximately 8,000 species, are generally considered to be the most evolved and complex of the p... Read More

Toxoplasma gondii zoites

Toxoplasma gondii zoites Read More

Halloween microbes

Strep agalactiae (Group B Strep) streaked out on Granada plates. Usually this media is used to screen for Group B in pregnant patients, the strep will grow as bright orange colonies while any other growth will be colorless. Perfect for a little Halloween fun...follow me on instagram @stylish_str... Read More

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