You are discharging a 38-year-old woman from the hospital whom you strongly suspect has COVID-19. She was admitted two days ago after presenting with a 1-day history of high fevers and cough with a chest x-ray demonstrating bilateral patchy opacities. The patient lives at home with her 40-year-old husband with hypertension, 12-year-old twin boys with no known health conditions, and 80-year-old grandfather with diabetes and COPD. Which of the following is NOT an advice you would give to this patient regarding household transmission of COVID-19?