Question

Which of the following objects can serve as a vehicle for common cold transmission?

Options

• Boiled water containers

• Ultraviolet light sources

• Doorknobs and computer keyboards

• Sterile surgical instruments

Answer 1

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.