Table 5.

Testing of clinically isolated viruses during the 2006–2009 seasons isolated by the Tokyo Metropolitan Institute of Public Health.

Sample type identified by amino acid sequencing (no. of samples)	Influenza A virus positive	S-OIV positive	Influenza B virus positive
Typing of isolated influenza virus from TMIPH using SHRT-PCR
H1N1 (S-OIV) (29)	100% (29 of 29)	100% (29 of 29)	0% (0 of 29)
Seasonal H1N1 (25)	100% (25 of 25)	0% (0 of 8)	0% (0 of 25)
Seasonal H3N2 (23)	100% (23 of 23)	0% (0 of 8)	0% (0 of 23)
Influenza B virus (9)	0% (0 of 9)	0% (0 of 9)	100% (9 of 9)