DiseasesHow they affect us
Disease are acquired by:• Genetic causes – inherited from parents• Microbial – infection from a virus, bacteria or  fungus...
Disease pathogens - microbes• Bacteria and viruses are the most common of  disease pathogens• Bacteria can survive outside...
BacteriaThis is a pin prickwith bacteriagrowing on itThese are rodshaped bacteria
Structure of bacteria Bacteria produce toxins – poisons –that make us feel ill
Viruses – these are much smallerVirus invade body cells and then hijack the cells DNAto reproduce – massive cell damge can...
• Chicken pox
Shingles
shingles
Rubella  orGermanmeasles
Mumps
Athletes foot
Cold sore
Herpes
Small pox – a killer
Polio
Warts
Verruca
verruca
Ulcers
Ulcer
A few diseases – wikipedia linked•   Viral infectious diseases•   AIDS – AIDS Related Complex – Chickenpox (Varicella) – C...
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Aqa b1a 11.4_disease_pics_rg[1]

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Aqa b1a 11.4_disease_pics_rg[1]

  1. 1. DiseasesHow they affect us
  2. 2. Disease are acquired by:• Genetic causes – inherited from parents• Microbial – infection from a virus, bacteria or fungus• Parasitic - catch an organism that causes disease condition – e.g. malaria – protozoa, thread worm crab lice
  3. 3. Disease pathogens - microbes• Bacteria and viruses are the most common of disease pathogens• Bacteria can survive outside of the host organism• Viruses can only survive and reproduce within a host cell
  4. 4. BacteriaThis is a pin prickwith bacteriagrowing on itThese are rodshaped bacteria
  5. 5. Structure of bacteria Bacteria produce toxins – poisons –that make us feel ill
  6. 6. Viruses – these are much smallerVirus invade body cells and then hijack the cells DNAto reproduce – massive cell damge can be caused
  7. 7. • Chicken pox
  8. 8. Shingles
  9. 9. shingles
  10. 10. Rubella orGermanmeasles
  11. 11. Mumps
  12. 12. Athletes foot
  13. 13. Cold sore
  14. 14. Herpes
  15. 15. Small pox – a killer
  16. 16. Polio
  17. 17. Warts
  18. 18. Verruca
  19. 19. verruca
  20. 20. Ulcers
  21. 21. Ulcer
  22. 22. A few diseases – wikipedia linked• Viral infectious diseases• AIDS – AIDS Related Complex – Chickenpox (Varicella) – Common cold – Cytomegalovirus Infection – Colorado tick fever – Dengue fever – Ebola haemorrhagic fever – Epidemic parotitis – Hand, foot and mouth disease – Hepatitis – Herpes simplex – Herpes zoster – HPV – Influenza (Flu) – Lassa fever – Measles – Marburg haemorrhagic fever – Infectious mononucleosis – Mumps – Poliomyelitis – Progressive multifocal leukencephalopathy – Rabies – Rubella – SARS – Smallpox (Variola) – Viral encephalitis – Viral gastroenteritis – Viral meningitis – Viral pneumonia – West Nile disease – Yellow fever• [edit]• Bacterial infectious diseases• Anthrax – Bacterial Meningitis – Brucellosis – Campylobacteriosis – Cat Scratch Disease – Cholera – Diphtheria – Epidemic Typhus – Gonorrhea – Impetigo– Legionellosis – Leprosy (Hansens Disease) – Leptospirosis – Listeriosis – Lyme Disease – Melioidosis – MRSA infection – Nocardiosis – Pertussis (Whooping Cough) – Plague – Pneumococcal pneumonia – Psittacosis – Q fever – Rocky Mountain Spotted Fever (RMSF) – Salmonellosis – Scarlet Fever – Shigellosis – Syphilis – Tetanus – Trachoma – Tuberculosis – Tularemia – Typhoid Fever – Typhus; Urinary Tract Infections

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