the virus cannot exist on its own outside its host, it needs something to carry it. cough or sneeze fall out will do, but even large droplets will dry in minutes, killing the virus. where it can persist is in the oily secretions in fingerprints, which can linger for 48-72 hours.
public transport operators may not wipe everything down after every passenger, but they do use these during the day
https://www.londonnorthwesternrailway.co.uk/about-us/news-desk/video-antiviral-fogging-machines-in-action-london-northwestern-railway
and advise use of hand-gel.
if your company is saying nobody may follow you within 2 days, it's probably because nobody is cleaning the office. the committee of the society I belong to says the same about their headquarters for the same reason, they don't employ cleaners.