The document outlines a range of microbial diseases categorized by their causative agents, including bacteria, viruses, fungi, and parasites. It details specific diseases affecting the skin, eyes, nervous system, cardiovascular system, respiratory system, digestive system, and reproductive system, along with their respective pathogens. This information serves as an overview of the pathogens responsible for various common infections in humans.

1. Pathogenesis and common diseases

2. Diseases caused by different microbes
• Bacterial diseases of the skin
Disease Pathogen
Impetigo Staphylococcus aureus:
Streptococcus pyogens
Folliculitis Staphylococcus aureus
Toxic shock syndrome Staphylococcus aureus
Necrotizing Fascititis Staphylococcus pyogens
Erysipelas Staphylococcus pyogens
Pseudomonas dermatitis Pseudomonas aeruginosa
Otitis extema Pseudomonas aeruginosa
Acne Propionibacterium acnes

3. • Viral diseases of the skin
Disease Virus
Warts Papilloma virus spp
Small pox Small pox virus
Chicken pox Varicella-zoster virus
Shingles Varicella-zoster virus
Herpes simplex Herpes simplex virus type-2
Measles Measles virus
Rubella Rubella virus
Fifth disease Human parvovirus B19
Rosela Human herpesvirus 6

4. • Fungal disease and its causative agent
• Parasitic infestation of the skin
Disease Fungus
Ringworm (tinea) Microsporum, trichophyton
Sporotrichosis Candidiasis Sporothrix schenckiicandida
albicans
Disease Parasite
Scabies Sarcoptes scabiei (mite)
Pediculosis (lice) Pediculus humanus capitis

5. • Microbial disease associated with the eye
diseases
Disease Organism
bacterium
Neonatal gonorrheal opthalmia Neisseria gonorrhoeae
Inclusion conjuctivities Chlamydia trachomatis
Trachoma Chlamydia trachomatis
Virus herpetic keratitis Herpes simplex type 1 virus
Protozoan
Acanthamoeba keratitis Acanthamoeba spp

6. • Microbial disease of the nervous system
Disease Organism
Bacterium
Haemophilus influenza
meningitis
Haemophilus inflenza
Meningococcol meningitis Neisseria meningitis
Pneumococcal meningitis Streptococcus pneumoniae
Listeriosis Listeria monocytogenes
Tetanus Clostridium tetani
Botulism Clostridium botulinium
Leprosy Mycobacterium leprae
Virus
Poliomyelitis Poliovirus
Rabies Rabies virus
Arboviral encephalitis arbovirus

7. • Microbial diseases of the cardiovascular and
lymphatic system
Bacterial disease Bacterium
Puerperal sepsis Streptococcus
Acute bacterial Streptococcus aureus
Pericarditis Streptococcus pyogens
Rheumatic fever Group A beta-hemolytic
streptococci
Brucellosis Brucella spp
Anthrax Bacillus anthracis
Gangerene Clostridium petringers
Plague Yersinia pestis
Relapsing fever Borrelia spp
Rocky mountain spotted fever Rickettsia rickettsil

8. • Microbial disease of the upper respiratory
system
Bacterial disease Bacterium
Diptheria Corynebacterium diptheria
Otitis media Staphylococcus aureus,
streptococcus pneumoniae
Viral disease Virus
Common cold Rhinoviruses

9. • Microbial disease of lower respiratory system
Bacterial disease Bacterium
Pertussis (Whooping
cough)
Bordetella pertussis
Tuberclosis Mycobacterium
tuberculosis
Pneumococcal influenza
pneumonia
Streptococcus pneumoniae
Mycoplasmal pneumonia Mycoplasmal pneumoniae
Q fever Coxiella burnetii
Viral disease Fungus
Respiratory syncytial virus Respiratory syncytial virus
Influenza Influenza virus

10. Fungal disease Fungus
Histoplasmosis Histoplasma capsulatum
Pneumocystis pneumonia Pneumocystis jiroveci
Blastomycosis Blastomyces dermatitidis.

11. Microbial disease of the digestive
system
Disease Bacteria
Dental caries Primary streptococcus mutans
Periodontal disease Porphyromanas spp

12. Bacterial disease of the lower
respiratory system
Diseae Bacteria
Staphylococcal food poisoning Staphylococcus aureus
Salmonellosis Salmonella enterica
Typhoid fever Salmonella typhi
Vibrio Gastroenteritis Vibrio cholerae

13. • Fungal disease of the digestive system
Protozoan disease of the digestive system
Disease Fungus
Ergot poisoning Claviceps purpurea
Aflatoxin poisoning Aspergillus flavus
Disease Protozoa
Giardiasis Giardia lambia
Amoebic dysentery Entamoeba histolytica

14. • Helminthic diseases of the digestive system
Disease Helminths
Taeniasis Taenia saginata, taenia
solium, diphyllobothrum
lathum (fish Tapeworm)
Hydatid disease Echinococcus granulosus
Pin worms Enterobius vermicularis
Hook worm Necator americanus
Ascaris Ascaris lumbricoides
Trichinosis Trichinella spiralis

15. Microbial diseases of the urinary and
reproductive system
• Bacterial diseases of the urinary system
Bacterial disease of the reproductive system
Bacterial disease Bacteria
Cystitis Escherichia coli
Pyelonephritis E. Coli
Leptospirosis Leptospira interrogans
Diseases Bacteria
Gonorrhea Neisseria gonorrhoeae
Pelvic inflammatory disease N.Gonorrhoeae
Syphilis Treponema pallidium
Bacterial vaginosis Gardnerella vaginalis

16. • Viral diseases of the reproductive system
• Fungal disease of the reproductive system
Protozoan disease of the reproductive system
Diseases Virus
Genital herpes Herpes simplex virus type 1 and 2
Genital warts papillomavirus
Dideases Fungus
Candidasis Candida albicans
Diseases Protozoa
Trichomoniasis Trichomonas vaginalis