Understand people’s behaviour and perception on public transport after COVID19

The subject is: Human Factors and Ergonomics
At least cover these topics:
-peoples perception for COVID19 on public transport
-application of different cleanliness method on public transport and its efficiency in disinfection. e.g. Robots , UV…etc
-peoples trust level on different kind of cleanliness technology ( robots, uv, …etc)
-peoples perception toward cleanliness on public transport (frequency, efficiency, confident, satisfaction..etc)
-Risk parts that can cause infection on public transport e.g.( buttons, toilet surface…etc)
-does people change their behaviour after covid19 on public transport?