Giardiasis is the most frequently diagnosed intestinal parasitic disease in the United States and among travelers with chronic diarrhea. Signs and symptoms may vary and can last for 1 to 2 weeks or longer. In some cases, people infected with Giardia have no symptoms.

Giardiasis is the most frequently diagnosed intestinal parasitic disease in the United States and among travelers with chronic diarrhea. Look at those smiley faces

The life cycle of Giardia lamblia begins when humans ingest infective cysts via feces, fingers, food, fomites flies or infected water. The cyst then passes to the small intestine where excystation occurs and trophozites multiply asexually via binary fission. The diagnostic stage is marked by infective cysts passed in feces with trophozoites found in soft or fluid feces.

PHIL Image 3394 - This is an illustration of the life cycle of Giardia lamblia…

Medical Laboratory and Biomedical Science: Overview of Intestinal Protozoan Infections

The most important intestinal protozoan pathogens are Entamoeba histolytica, Cryptosporidium sp, Giardia intestinalis (lamblia), Cystoisospo.

Scanning electron micrograph (SEM) depicting a Giardia lamblia protozoan undergoing binary fission, creating what appears to be a microscopic “heart.” This flagellated protozoan parasite inhabits and reproduces in the lumen of the small intestine and is responsible for the diarrheal infection giardiasis.

Unwelcome Valentine: Electron micrograph of the disease-causing protozoan Giardia lamblia partway through cell division, forming a heart shape. Stan Erlandsen -- I would love a wall of framed electron microscope images

Giardia lamblia protozoa, SEM I picked some of these up on my second trip to India.  Not a big fan.

Giardia lamblia protozoa, SEM I picked some of these up on my second trip to India. Not a big fan.

This scanning electron micrograph shows a Giardia lamblia protozoan during the process of cell division

This scanning electron micrograph shows a Giardia lamblia protozoan during the process of cell division- Loving the irony here.

Trophozoite of Giardia lamblia on trichome stain

Trophozoite of Giardia lamblia on trichome stain

Giardia lamblia cyst iodine stained

Giardia lamblia cyst iodine stained

Giardia lamblia cyst iodine stained

Giardia lamblia cyst iodine stained

my favorite protozoa..Giardia lamblia...morphologically that is..bunch of little smiling faces but dont be fooled by their cuteness..they can cause some serious damage..

Giardia - I've been amazed to see how pretty microcopic photos of deadly things can be - ebola, salmonella, etc. But THIS IS RIDICULOUS! These little bastards have smiley faces!

Giardia lamblia, a protozoan parasite that colonises and reproduces in the small intestine

Scanning electron micrograph (SEM) of Giardia lamblia. This one-celled microscopic flagellate protozoan is an intestinal parasite in humans causing giardiasis (lambliasis), an intestinal disorder

Fascinating Giardia Lamblia and Vexing Chronic Spontaneous Urticaria: An Under-appreciated Association

Giardia is a protozoan parasite that can affect dogs, humans and other animals. Learn about Giardia in dogs, including how infection occurs, how it is diagnosed, and Giardia treatment.

Giardia lamblia - A flagellated protozoan parasite that can colonize in the small intestine and cause 'giardiasis' (diarhea/GI sx)

Giardia lamblia - A flagellated protozoan parasite that can colonize in the small intestine and cause 'giardiasis' (diarhea/GI sx)

Giardia lamblia    • Cisto em formato oval com fibrilas destacadas ao centro da forma parasitária (linhas que sugerem a formação de axonemas).  • Material de sedimento fecal corado com lugol.

Giardia lamblia • Cisto em formato oval com fibrilas destacadas ao centro da forma parasitária (linhas que sugerem a formação de axonemas). • Material de sedimento fecal corado com lugol.

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