Answer: Droplet precaution
The highest and most specific level of precautions that should be used in Sebastian’s hospital room is droplet precaution for most respiratory conditions such as flu is readily transmitted by respiratory droplet. If Sebastian cough or sneeze and the droplet propelled through the air, and deposited directly on the mucous membranes of the mouth, nose, and eyes of nearby person, then the transmission of disease happens. Therefore, it is necessary that Sebastian would cover his nose and mouth when coughing or sneezing to prevent the spread of flu.