PHYLOGENETIC TREE -  INFLUENZA B VIRUSES

0

5.6

2

4

B/ENG/224/00

B/SCOTLAND/24/99

B/ENG/197/00

B/ENG/671/98

B/ENG/889/99

B/ENG/615/98

B/SICHUAN/379/99

B/SCOTLAND/18/97

B/YAMANASHI/166/98*

B/ENG/239/97

B/ENG/362/96

B/ENG/296/96

B/BEIJING/184/93

B/QIN/102/91

B/PANAMA/45/90

B/HARBIN/7/94

B/ENG/115/95

B/HK/46/94

B/VIC/2/87

(% distance between sequences * denotes current vaccine strain)

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