Which of the following is true about Chlamydia?

Question

BlackTom AI · Accepted Answer

To begin, let's restate the question and enumerate the options clearly so we can compare them directly.
Question: Which of the following is true about Chlamydia?
Options:
1) it only infects men
2) it enters and reprograms the host cell
3) there is a functional vaccine
4) it is the most rare STI

Now evaluating each option:
Option 1: 'it only infects men' — This is incorrect. Chlamydia infections affect people of all genders, including women and men. It is not limited to men, so this statement misrepresents epidemiology and gender distribution of infection.

Option 2: 'it enters and reprograms the host cell' — This statement aligns with the biological nature of Chlamydia. Chlamydia trachomatis is an obligate intracellular bacterium that enters host cells and establishes an intracellular inclusion. It manipulates host cell processes to survive and replicate, effectively reprogramming aspects of the host cell’s machinery during infection. This description correctly captures a core aspect of the pathogen’s life cycle.

Option 3: 'there is a functional vaccine' — This is inaccurate. As of current medical knowledge, there is no licensed, widely available functional vaccine against Chlamydia. While research and some vaccine candidates have been explored, a fully approved vaccine is not in routine use, making this claim false.

Option 4: 'it is the most rare STI' — This is incorrect. Chlamydia is actually one of the most common sexually transmitted infections worldwide, not the rarest. Its high prevalence contradicts the statement.

In summary, the statement that best reflects the biology and epidemiology of Chlamydia is that it enters and reprograms the host cell, while the other options contain common misconceptions or inaccuracies about who is affected, vaccine availability, and prevalence.

Which of the following is true about Chlamydia?单项选择题

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