A lot of common infections like the cold or flu are often transmitted in cars. Heavily used vehicles especially with larger numbers of passengers means a higher risk of infection.
The floor commonly contains C.diff, a dangerous bacteria strain.
Retains an average of 850 strains of bacteria at any given time.
The Gear Stick
Harbors 9x more bacteria than a toilet seat.
The Steering Wheel
Home to approximately 356 different kinds of germs.