University revision · Molecular Biology and Medical Genetics

Molecular Diagnostics in Virology

Question 1 of 5 Course: Biomedical Science(Degree)

Which technique uses fluorescently labeled probes to visualize specific DNA sequences on chromosomes?

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The high rate of asymptomatic carriage, particularly in men, creates a large, silent reservoir of infection within the population. Because these individuals do not experience symptoms, they are unlikely to seek testing or treatment. They can unknowingly transmit the parasite to their sexual partners over extended periods, sustaining chains of transmission in the community. This 'asymptomatic reservoir' makes control efforts challenging, as standard STI control relies on diagnosing and treating symptomatic individuals and their partners. It underscores the critical importance of screening high-risk populations, treating both partners even if one is asymptomatic ('expedited partner therapy'), and public health education to raise awareness.

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