Table 2.

 Serological and NP swab test results for respiratory viruses in study participants randomized to influenza vaccine (N = 10) or oseltamivir prophylaxis (N = 44) for the 2007–2008 influenza season in Toronto, Canada

Laboratory test source	Vaccine group (N*)	Oseltamivir group (N)
		Before start of prophylaxis	During time period of prophylaxis
NP swabs	Rhinovirus A (1)	RSV A (1)	RSV A (1)
	RSV A (1)		HCV 229E (3)
	PIV 3 & HCV OC43 (1)		PIV 2 (1)
	Influenza A (1)	Influenza A (4)	Influenza B (2)
Serology	Influenza A & B (1)	Influenza A (1)	Influenza A (1)
			Influenza B (2)

HCV, human coronavirus; NP, nasopharyngeal; PIV, parainfluenza virus; RSV, respiratory syncytial virus.

*Number of positive laboratory tests.