Newer cleaned the keyboard on the laptop, tablet or phone, the one you share food and water with.
Been into an Internet Cafe and used on of the computers there because you had to I bet they newer cleaned the computer before you use it. Internet cafe’s have high counters of Bacteria in the World.
Keyboard’s are all full of bacteria we use daily, the phone is a prime example you lend it to a mate there was ill (he did not tell you about it) few days after you got ill and could not find any reason for the illness
You can get staphylococcus from your phone.