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Ch. 26 - Microbial Diseases of the Urinary and Reproductive Systems
Tortora - Microbiology: An Introduction 14th Edition
Tortora14th EditionMicrobiology: An IntroductionISBN: 9780138200398Not the one you use?Change textbook
Chapter 26, Problem 1

Which of the following is usually transmitted by contaminated water?
a. Chlamydia
b. Leptospirosis
c. Syphilis
d. Trichomoniasis
e. None of the above

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1
Step 1: Understand the modes of transmission for each disease listed. This involves knowing whether the disease is typically spread through water, sexual contact, or other means.
Step 2: Analyze 'Chlamydia' which is primarily a sexually transmitted infection, so it is unlikely to be transmitted by contaminated water.
Step 3: Consider 'Leptospirosis', which is a bacterial infection commonly transmitted through water contaminated with the urine of infected animals, making it a strong candidate for waterborne transmission.
Step 4: Review 'Syphilis' and 'Trichomoniasis', both of which are sexually transmitted infections and not typically associated with waterborne transmission.
Step 5: Conclude that among the options, leptospirosis is the disease usually transmitted by contaminated water, based on its known epidemiology and transmission routes.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Waterborne Transmission

Waterborne transmission refers to the spread of infectious agents through contaminated water sources. Pathogens can enter water supplies via fecal contamination or environmental runoff, leading to diseases when ingested or contacted. Understanding which microbes are transmitted this way helps identify water-related infections.
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Leptospirosis

Leptospirosis is a bacterial infection caused by Leptospira species, commonly transmitted through water contaminated with urine from infected animals. It often occurs in tropical regions and can cause symptoms ranging from mild flu-like illness to severe organ damage. It is a classic example of a waterborne zoonotic disease.

Sexually Transmitted Infections (STIs)

STIs like chlamydia, syphilis, and trichomoniasis are primarily spread through sexual contact, not water. Recognizing the typical transmission routes of these infections helps differentiate them from waterborne diseases and guides appropriate prevention and treatment strategies.
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