Question

About Campylobacter jejuni, which of the following is FALSE?

• A. It is the most common pathogenic strain causing campylobacteriosis in India
• B. Poultry is the main source of infection
• C. Humans are the only reservoir
• D. It is associated with Guillain-Barre syndrome

Hint:

It is a zoonosis from poultry, so the human-only reservoir claim cannot be true.

Answer 1

The Correct Option is C

Step 1: Campylobacter jejuni is a curved, microaerophilic, gram-negative rod and a leading cause of bacterial gastroenteritis worldwide.
Step 2: Evaluate option A. C. jejuni is indeed the most common Campylobacter species responsible for human campylobacteriosis, so this statement is true.
Step 3: Evaluate option B. The organism is a zoonosis acquired mainly from contaminated poultry and undercooked chicken, so poultry as the main source is true.
Step 4: Evaluate option D. C. jejuni infection is a well-recognized antecedent trigger of Guillain-Barre syndrome through molecular mimicry, so this statement is true.
Step 5: Evaluate option C. Because C. jejuni is a zoonotic pathogen with animal reservoirs such as poultry, cattle and other animals, humans are NOT the only reservoir. This statement is false and is the answer to a false-statement question.
Conclusion: The false statement is that humans are the only reservoir, so the printed key (C) is correct.