Some studies suggest droplets may linger or travel up to how many feet?

• A. 3 feet
• B. 6 feet
• C. 12 feet
• D. 20 feet

Answer: (C)

Droplet spread depends on particle size and air movement. Larger droplets fall quickly, but smaller ones can stay suspended and be carried by air currents, especially in rooms with poor ventilation. Under some study conditions, these aerosols can linger and travel farther than the typical six-foot rule, with distances reported up to about twelve feet. That’s why twelve feet is the best answer here: it reflects the possibility of longer-range spread shown in studies under certain ventilation and airflow conditions. The smaller distances (three or six feet) reflect older, more conservative guidance for larger droplets, while twenty feet isn’t commonly supported by the cited data in ordinary indoor settings.