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प्रश्न
Which of the following objects can serve as a vehicle for common cold transmission?
पर्याय
Boiled water containers
Ultraviolet light sources
Doorknobs and computer keyboards
Sterile surgical instruments
MCQ
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उत्तर
The common cold spreads through contaminated objects including pens, books, doorknobs, cups, and computer keyboards. These fomites can harbor viral particles and transmit infection when touched by uninfected individuals who subsequently touch their face or mucous membranes.
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