How frequently should a bus be disinfected?
- Once every two years.
- It must be disinfected shortly before its annual test.
- Following its annual test.
- Correct answer: Once a year.
Why this is the answer
The correct answer in the official bank: Once a year.
A bus carries many passengers every day, so it must be kept to a high standard of hygiene. Under the rules, it must be disinfected once a year. Once every two years is not enough.