Escherichia coli (E.coli)
Reservoir: Colon, manure
Disease: Enteritis (mild → severe)
Staphylococcus aureus
Reservoir: Skin, hair, anterior nares
Disease: Wound infection, pneumonia, food poisoning, cellulitis
Streptococcus (β‑hemolytic group A)
Reservoir: Oropharynx, skin, perianal area
Disease: Strep throat, rheumatic fever, scarlet fever, impetigo
Streptococcus (β‑hemolytic group B)
Reservoir: Adult genitalia
Disease: UTI, wound infection, endometritis
Clostridium difficile (C. difficile)
Reservoir: Contaminated surfaces; spores on unclean hands
Disease: Colitis, serious intestinal conditions
Mycobacterium tuberculosis
Reservoir: Lungs
Disease: Tuberculosis
Neisseria gonorrhoeae
Reservoir: GU tract, rectum, mouth, eye
Disease: Gonorrhea, PID, infectious arthritis, conjunctivitis
Rickettsia rickettsii
Reservoir: Wood tick
Disease: Rocky Mountain spotted fever
Staphylococcus epidermidis
Reservoir: Skin
Disease: Wound infection, bacteremia
Pseudomonas aeruginosa
Reservoir: Skin, water, soil
Disease: Pneumonia, UTI, meningitis
Hepatitis A virus
Reservoir: Feces, blood, urine
Disease: Hepatitis A
Hepatitis B virus
Reservoir: Feces, blood, all body fluids/excretions
Disease: Hepatitis B
Hepatitis C virus
Reservoir: Blood, body fluids
Disease: Chronic liver disease
Herpes simplex virus
Reservoir: Lesions of mouth/skin, blood, excretions
Disease: Cold sores, aseptic meningitis, STI
Human immunodeficiency virus (HIV)
Reservoir: Blood, semen, vaginal secretions
Disease: AIDS
Hantavirus
Reservoir: Deer mouse urine, feces, saliva
Disease: URI → LRI → ARDS
Ebola hemorrhagic fever virus
Reservoir: Contaminated blood/body fluids, fruit bats
Disease: Hemorrhagic fever, vascular permeability, shock, death
West Nile virus
Reservoir: Mosquito
Disease: Fever, rash, hepatitis, encephalitis
Aspergillus species
Reservoir: Soil, dust
Disease: Aspergillosis, allergic bronchopulmonary disease
Candida albicans
Reservoir: Mouth, skin, colon, genital tract
Disease: Thrush, dermatitis
