Avoiding upper respiratory tract infections by not touching the face.
Bertsch
Ruth Ann
RA
D005145:Face; D015438:Health Behavior; D006801:Humans; D009061:Mouth Mucosa / Q000821:virology; D020545:Respiratory Mucosa / Q000821:virology; D012141:Respiratory Tract Infections / Q000517:prevention & control* / Q000821:virology