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Other Infectious Microbes
+Fungi
Out of thousands of species of fungus only about 50 cause disease.
Diseases caused by fungi are called mycoses.
Usually unicellular eukaryotes (i.e.mold)
+Fungus Example: Ringworm
Infects the middle skin layers.
Caused by the fungi: Dermatophytosis
Transferred by skin to skin contact. Highly contagious!
Symptoms: Itchy, a round rash
Treatment: Antifungal creams
+Fungus Example: Candidiasis
A.K.A. Yeast infection
Caused by Candida albicans- a naturally occurring fungus.
Usually controlled by bacteria in your body.
Symptoms show when there is a lack of bacteria in the body. (When you are on antibiotics)
Symptoms show in the GI tract or vaginal area.
A yeast infection of the mouth is called thrush-usually occurs in infants.
Treated by an antifungal cream
+Protozoans
Unicellular eukaryotes
Less than 20 species cause disease
Usually use the body to reproduce like a bacteria.
Some varieties can do photosynthesis and some behave more like animal cells
+Protozoan Example: AmoebiasisA parasite that survives in
warm climates- especially in places with poor sanitation.
3,000-5,000 cases per year in the US
Enters through food or unsanitary practices—enters through the mouth
Divides in the intestine
Produces ulcers, diarrhea, vomiting
Spread through feces
+Protozoan Example: Malaria
Caused by plasmodium- a parasite
Carried by female mosquitoes
Infects liver cells
Uses erythrocytes to reproduce
Erythrocytes lyse causing infectious agent to spread through the blood stream.
Taken up by mosquitoes again