CH 9 Bacterial Diseases

Food poisoning from improperly canned food

Clostridium botulinum

Food poisoning; part of normal nasal flora; heat-stable enterotoxin

Staphylococcus aureus

Foodborne infection from infected eggs

Salmonella enteritidis

Typhoid fever; chronic carriers

Salmonella typhi

"Rice-water diarrhea" from contaminated water

Vibrio cholerae

Produces Shiga toxin; HUS

Escherichia coli O157:H7

Overgrows after antibiotics; pseudomembranous colitis

Clostridium difficile

"Bull's neck

" pseudomembrane in throat, Corynebacterium diphtheriae

Reemerging cough; attacks cilia

Bordetella pertussis

Sore throat; leads to rheumatic fever

Streptococcus pyogenes

Meningitis in college students

Neisseria meningitidis

Meningitis in children under 5

Haemophilus influenzae

Spread by aerosolized water (e.g. AC systems)

Legionella pneumophila

Forms granulomas in lungs

Mycobacterium tuberculosis

STD; proceeds in 3 stages; vertical transmission

Treponema pallidum

STD; PID in females; epididymitis in males

Neisseria gonorrhoeae

Most common STI in USA; PID

Chlamydia trachomatis

Most common cause of peptic ulcers

Helicobacter pylori

Forms lepromas; chronic infection

Mycobacterium leprae

MRSA; community-acquired infection

Staphylococcus aureus (MRSA strain)

Depends on portal of entry; inhalation cutaneous GI

Bacillus anthracis

Puncture wound; prevents muscle relaxation

Clostridium tetani

Zoonosis; spread by animal urine

Leptospira interrogans

Bubonic pneumonic septicemic plague

Yersinia pestis

Tick-borne; "bull's-eye" rash

Borrelia burgdorferi