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1. Gemella Gram positive diplococcus.
Thrive best at high partial carbon dioxide pres-
sure.
Facultative anaerobe.
Oxidase negative.
Catalase negative.
In mucous membranes of humans and ani-
mals and upper digestive tract.
2. Leuconstoc Gram positive cocci often in chains.
Intrinsically resistant to vancomycin.
Catalase negative.
Are generally slime forming.
Responsible for cabbage fermentation.
3. Acanthamoeba A genus of amoeba
One of the most common single celled eukary-
otes in soil and frequently in fresh water.
Has two forms - metabolically active tropho-
zoite.
Dormant - stress resistant cyst.
Causes keratitis and granulomatous amoebic
encephalitis.
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4. Naegleria fowleri Protozoa.
Causes Primary Amoebic Meningoencephali-
tis.
Enter through the nose and travels to the
brain.
Commonly found in warm fresh water.
Only species that infects humans.
Almost always results in death.
5. Schistisoma Also known as the blood flukes.
6. Schistisoma mansoni Blood fluke most commonly found in Africa,
South America, West Indies and Porto Rico.
Lives in the large intestines.
Approximately 115-175 micrometers by 45-75
micrometers.
Lateral spine.
7. Schistisoma heamatobium Blood fluke most commonly found in Nile Vally,
Mideast and East Africa.
Live in veins surrounding bladder.
Approximately 110-170 micrometers by 40-70
micrometers.
Terminal spine.
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8. Schistisoma japonicum. Blood fluke most commonly found in Far East
Japan, China and Philippines.
Lives in the small intestines.
Approximately 60-95 micrometers by 40-60
micrometers.
No spine.
9. Hantavirus A single stranded enveloped, negative sense
RNA virus.
In the Bunyaviridae family.
May become infected through contact with
rodent urine, saliva or feces.
Can cause fatal diseases such as hantavirus
hemorrhagic fever with renal syndrome.
10. Hantavirus Pulmonary Syndrome. Rare respiratory illness associated with inhala-
tion of aerolized rodent excreta.
11. Cause of Hantavirus Pulmonary Syn- The Sin Nombre virus carried by deer mice.
drome in the US.
12. Bartonella Gram negative bacteria.
Facultative intracellar parasite.
It is transmitted by vectors such as ticks, flees,
sand flies and mosquitoes.
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13. Cause of Cat Scratch Disease Bartonella henselae.
14. Edwardsiella An Enterobacteriaceae.
Gram negative rod.
Facultative anaerobe.
Enterobacteriaceae family.
First discovered in snakes.
15. Edwardsiella tarda Urea - negative
Lysine decarboxylase - positive
Hydrogen Sulfide- positive
Indole- positive
Only recognized human pathogen in Edward-
siella genus.
16. Chryseobacterium Gram negative, filamentous rod.
Non motile.