Chlamydia Trachomatis
This Organism usually causes an STD and can lead to blindness in infants after it passes through the vagina of the mother
Haemophilus aegyptius
An organism that causes acute communicable conjunctivitis
causes pink eye
Mycobacterium leprae
This organism will not grow on artificial media in the laboratory. Most people exposed to this organism do not get the disease.
Streptococcus Pneumoniae
Causes necrotizing fasciitis
Haemophilus ducrey
Causes the STD known as a soft chancre or chancroid. A bubo often forms in the lymph nodes and may burst from swelling
Vibrio Cholera
Short curved negative rods with a common shape. Spread by fecal contamination of food or water. It can also be found in crustaceans
Salmonella typhi
Some individuals are asymptomatic and become carriers of this organism in their gallbladder and must have it removed. This organism also causes typhoid fever
Coxiella burnetti
Causes Q(query) fever
Helicobacter pylori
Inflammation of stomach lining, causes stomach ulcers, stomach cancer....Animal Reservoirs: cats
Riskettsia rickettsii
Causative agent of Rocky Mountain spotted fever
Treponema pallidum
This organisms causes syphilis and was the causative agent used in the Tuskegee experiment
Brucella suis
Primarily a disease of animals. This organism is unique in pigs
Borrelia burgdorferi
This organism is the causative agent of Lyme disease
Clostridium perfringens
This organism is the causative agent of Gas Gangrene
Clostridium tetani
This organism causes suffering of the joints and muscles; particularly in the back, it often enters the body via a puncture wound.
Streptococcus pygens
This organism causes white pus bumps at the back of the throat causing strep throat
Yersinia pestis
this organism causes the plague or "black death
Bacillus anthracis
this organism is the causative agent of Woolsorter's disease
Staphylococcus impetigo
Cutanenous infections
skin hair or nails
Streptococcus mutans and Streptococcus sanguis
Capsules to plaque go tarter: ferment sugars to acid that erode tooth enamel
Neisseria meningitidis
Causes epidemic Meningococcal meningitis, passed on by droplets from nasopharynyx
Bacillus cereus
Spore geminate in food and vegetative cells produce entertoxin
Listeria monocytogenes
Motile with 1-4 flagella
causes listeriosis (meningitis and encephalitis) eating uncooked meat (food-borne) elderly and infants
Corynebacterium diptheriae
pleomorphic rods, contracted from droplets....toxin gets in bloodstream
Mycobacterium tuberculosis
causes tuberculosis, transmitted through droplets in the air, progress slowly, lungs
pseudomonas aeruginosa
Resistant to soaps, detergents, disinfectants and drying
burns, UTIs, ear and eye infections nonsocomial
Brucella abortus
animals, mainly in cattle , causes infections of the placenta and fetus
Francisella tularensis
Tularemia "rabbit fever"
inhaled" pneumonia
Bordetella pertussis
Whooping cough, inhalation of droplets....build up of mucus, severe cough, oxygen deprivation,, whoop hurried, deep inspiration for air
Leginella pneumophila
Legionellosis (Legionnaires' disease and Pontiac fever)
Aquatic environments and the soil (air conditioners, cooling towers, hot water heaters, shower heads, etc.)
Must live with certain protozoa (amebas or ciliates)
Inhalation (multiplies in the cell as
Haemophilus infuenzae
acute bacterial meningitis (young children and elderyly) causes respiratory tract infection and middle ear infection
Haemophilus parainfluenza and Haemophilus aphrophilus
normal flora in the mouth and nasopharynx can be introduced into the blood during routine dental procedures: endocarditis (people with heart disease)
Enterics Gut
Large group of small gram (-) rods found in animal intestines
Cause diarrhea:
(1) secretory or toxigenic
Organism grows on the surface of intestinal epithelial cells and produce endotoxin that binds to these cells and causes loss of water and electrolytes
Coliforms
strong lactose fermenters includes fecal coliforms and nonfecal coliforms
Escherichia coli
some strains are pathogenic, traveler's diarrhea: may be caused by viruses, protozoa or bacteria
Klesiella pneumoniae
lung infections, UTIs meningitis, wound infections, bacteremia
Enterobacter aerogenes
UTIs wound infections and bacteremia
Serratia marcescens
pneuomonia, burn and wound infections septicemia
Citrobacter freundii
UTIs and bacteremia
Salmonella enteritidis
zoonotic strains that contaminate meat and animal products
Shigella
bacillary dysentery
large intestines: abdominal cramping and blood mucus in the stool
Spirochetes
long slender helical gram negative
Leptospires
tightly coiled cells with a hook at one or both ends
Leptospira interrogans
Leptospirosis
Zoonoic: wild animals (skunks, raccoons, rodents, etc.) and domesticated (dogs, cattle, pigs, horses).
Tropical disease: organism is shed in the urine of infected animals
Organism enters the blood and spread to the kidneys, liver, brain, and
Borrelia hermsii
tick-borne relapsing fever, Animal reservoir: squirrels, chipmunks and other wild rodents
Borrelia recurrentis
louse-borne relapsing fever, Humans are the only reservoir
Vibrio parahaemolyticus
Undercooked or raw seafood: shrimp, crabs, lobster, fish (tuna) oysters and clams
Campylobacter jejuni
Gram- negative, rod and curved
Zoonoic: sheep, cattle wild birds, dogs and especially chicken or turkeys
fecally contaminated food or water
Chlamydia Pneumonia
Mild respiratory infections
About 50% of all adults over the age of 50 have antibodies against this organism.
� to 2/3 of all heart attacks may be caused by this organism
Can trigger a heart attack by reinfection
Aspirin reduces inflammation and chances o
Mycoplasma pneumoniae
Causes about 20% of all pneumonias
Attach tightly to epithelial cells causing inflammation and sloughing off of these cells
Walking pneumonia
Mycoplasma Hominis and Ureaplasma
Causes STDs (urethritis, prostatitis, vaginitis, PID, kidney inflammation, and can lead to miscarriage or stillbirth