If someone sneezes all over kitchen counter and everything what am i supposed to do how long does germs last im afraid of getting sick?

A matter of hand hygiene. As you are well aware, we catch respiratory infections such as common cold and flu when causative virus gets close contact with mucous membrane, e.g., eye and nose. Maintaining good hand hygiene including frequent hand washing and not touching face is essential! During Covid-19 pandemic, record low number of flu cases have developed.