Answer :
Final answer:
The answer covers modes of transmission, virulence factors, and associated diseases of a bacterial, viral, and eukaryotic pathogen affecting the digestive system.
Explanation:
Bacterial Pathogen:
- Modes of transmission: Bacteria like Salmonella can be transmitted through contaminated food or water.
- Virulence factors: Salmonella produces toxins that cause gastroenteritis.
- Associated diseases: Salmonella infection leads to symptoms like diarrhea and fever.
Viral Pathogen:
- Modes of transmission: HIV is spread through sexual contact or blood transmission.
- Virulence factors: HIV targets the immune system, leading to AIDS.
- Associated diseases: HIV/AIDS weaken the immune system, making individuals susceptible to various infections and cancers.
Eukaryotic Pathogen:
- Modes of transmission: The eukaryotic pathogen Giardia lamblia spreads through contaminated water or food.
- Virulence factors: Giardia damages the intestinal lining.
- Associated diseases: Giardiasis causes symptoms like diarrhea and abdominal pain.
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