Table 1.

Effect of nasal secretions on the activity of mupirocin or chlorhexidine at 37°C

	Average amount recovered from initial concentrations (mg/l) of
	50	100	250	500	1000
Mupirocin	50	100	250	500	1000
Chlorhexidine	1.2	1.5	2.0	12.5	385

Aliquots from the incubation mix were bioassayed after one, four, and eight hours.