Causes:

Skin and Wound infections

(Direct contact)

Food Poisoning

(Indirect contact)

Nosocomial Infections

(Direct or indirect contact)

Toxic Shock Syndrome

(Tampons or surgical procedure)

Causes:

Scarlet Fever

(Inhalation of respiratory droplets)

Septic Sore Throat

(inhalation of respiratory droplets and close contact)

Puerperal Sepsis

(Contaminated intruments or hands of medical workers)

Rheumatic Fever

(Inhalation of respiratory droplets)

Impetigo

(Insect bite or skin abrasion)

Causes:

Meningitis in newborns

(ingestion of raw milk)

Causes:

Lobar pneumonia

(Inhalation of respiratory droplets)

Pneumococcal meningitis

(Oral and respiratory droplets)

Otitis media

(contaminated water, eardrum puncture or skull fracture)

Causes:

Gonorrhea

(direct sexual contact)

Opthalmia neonatorum

(contact with the birth canal)

Vulvovaginitis

(indirect, inanimate objects)

Causes:

Meningococcal meningitis

(direct or indirect contact)

Causes:

Botulism

(indirect; via contaminated food)

Causes:

Food intoxication

(ingestion of spores)

Gas gangrene

(wound contamination)

Tissue gas

(translocation of intestinal flora postmortem)

Causes:

Tetanus

(infection of wounds from contaminated soil)

Causes:

Cutaneous anthrax

(spores enter a wound; skin)

Inhalation anthrax

(inhalation of spores)

Gastrointestinal anthrax

(ingestion of spores)

Causes:

Diptheria

(direct droplet spray, hand to mouth, indirect via contaminated fomites)

Causes:

Tularemia

(inhalation, ingestion, bites or skin breaks)

Causes:

Mycobacterium avium complex (MAC)

(assumed to be environmentally acquired, such as from the soil and water. Found in immunosuppressed individuals)

Causes:

Tuberculosis (TB)

(inhalation of respiratory droplets)

Causes:

Leptospirosis

(through skin after contact with contaminated water, soil or animal waste)

Causes:

Lyme Disease

(Tick bite)

Causes:

Syphillis

(direct sexual contact)

Causes:

Asiatic cholera

(eating contaminated food; causes rice water stools)

Causes:

Pertusis, also known as "whooping cough"

(inhalation of respiratory droplets)

Causes:

Influenzal meningitis

(inhalation of respiratory droplets)

Causes:

Travelers diarrhea

(ingestion of contaminated water or food)

Enteroinvasive E. coli

(fecal-oral route)

Causes:

Nosocomial respiratory infection

(inhalation of respiratory droplets)

Causes:

Infection in burns

(wound contamination)

Causes:

Generalized decomposition

(bacterial translocation)

Causes:

Salmonella

(ingestion of contaminated food)

Causes:

Typhoid fever

(fecal-oral route)

Causes:

Bacillary dysentery

(fecal-oral route, flies, fingers and contaminated food or water)

Food poisoning

(ingestion of contaminated food)

Causes:

Skin infection

Sapremia

Septicemia

(direct contact)

Causes:

Bubonic plague,

also known as the "black death"

(flea bites, contact with infected animals, airborne transmission from infected persons)

Causes:

Intestinal ulcers

(ingestion of bacteria via contaminated food)

Causes:

Stomach ulcers

(ingestion of bacteria)

Causes:

Legionnaires' disease

(airborne transmission)

Causes:

Listerosis

(ingestion of contaminated food, soil and water)

Causes:

Q Fever

(ingestion of raw milk, inhalation of airborne bacteria from animal products)

Causes:

Epidemic typhus

(Human body lice)

Causes:

Rocky mountain spotted fever

(tick bite)

Causes:

Endemic typhus

(flea bite)

Causes:

Chlamydial pneumonia

(inhalation of respiratory droplets)

Causes:

Parrot fever

also known as psittacosis or ornithosis

(inhalation of aerosolized bacteria from bird feces)

Trachoma of the eye

(person to person, fomite to person, fly to person)

Lymphogranuloma venereum

(sexual contact)

Causes:

Primary atypical pneumonia

also known as walking pneumonia

(inhalation of respiratory droplets)

Fungi

Aspergillus fumigatus

Causes:

Aspergillosis

(inhalation of fungus from manure or decaying vegetation)

Fungi

Coccidioides immitis

Causes:

Coccidioidomycosis

(inhalation of fungal spores)

Fungi

Cryptococcus neoformans

Causes:

Fungal meningitis

(inhalation of airborne yeast)

Fungi

Histoplasma capsulatum

Causes:

Histoplasmosis

(inhalation of fungal spores from contact with bird feces)

Fungi

Pneumocystis carinii

Causes:

Pneumocystis pneumonia

also known as PCP

(inhalation of fungus)

Fungi

Trichophyton

Causes:

Tinea capitis

also known as scalp ringworm

(person to person or fomite to person)

Fungi

Microsporum

Causes:

Tinea cruris

also known as jock itch

(person to person or fomite to person)

Fungi

Epidermophyton

Causes:

Tinea pedis

also known athlete's foot

(person to person or fomite to person)

Protozoa

Cryptosporidium parvum

Causes:

Cryptosporidiosis

(ingestion of contaminated food or water, fecal-oral route)

Protozoa

Entamoeba histolytica

Causes:

Amebic dysentery

also known as amebiasis

(fecal-oral route)

Protozoa

Giardia lamblia

Causes:

Giardiasis

(ingestion of contaminated water, fecal-oral route, sexual transmission)

Protozoa

Plasmodium malaria

Causes:

Malaria

(bite of the anopheles mosquito)

Protozoa

Toxoplasma gondii

Causes:

Toxoplasmosis

(ingestion of contaminated food or handling infected cat feces)