Make them wear a mask, along with yourself, also have a face sheild in case they start coughing blood. Keep them in a room by themselve, only come in to bring food and water. Have a seperate bathroom that they alone use. Not 100% sure this will stop much, but put a towel under the door frame (again not sure how effective it will be.
A person develops life skill<span> and learns to </span>take<span> the </span>initiative<span> in childhood. Children </span>learn<span> to start </span>taking <span>care of themselves from showering to tying their own shoes.</span>