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Volume 19, Number 6—June 2013

Research

Haemophilus influenzae Serotype a Invasive Disease, Alaska, USA, 1983–2011

Michael G. BruceComments to Author , Tammy Zulz, Carolynn DeByle, Ros Singleton, Debby Hurlburt, Dana Bruden, Karen Rudolph, Thomas Hennessy, Joseph Klejka, and Jay D. Wenger
Author affiliations: Centers for Disease Control and Prevention, Anchorage, Alaska, USA (M.G. Bruce, T. Zulz, C. DeByle, D. Hurlburt, D. Bruden, K. Rudolph, T. Hennessy, J.D. Wenger); Alaska Native Medical Center, Anchorage (R. Singleton); Yukon Kuskokwim Health Corporation, Bethel, Alaska (J. Klejka)

Main Article

Table 1

Typeable and nontypeable Haemophilus influenzae isolates, Alaska 1983–2011

Year Isolate type
a b c d e f NT* Total
1983 0 71 0 0 0 0 4 75
1984 0 73 0 0 0 0 5 78
1985 0 88 0 0 1 2 2 93
1986 0 82 0 0 0 0 3 85
1987 0 52 0 0 0 2 4 58
1988 0 60 0 0 0 2 0 62
1989 0 44 0 0 0 0 1 45
1990 0 44 0 0 0 0 2 46
1991† 0 22 0 0 0 0 3 25
1992 0 3 0 0 0 2 0 5
1993 0 8 0 0 1 3 2 14
1994 0 2 0 0 1 0 11 14
1995 0 4 0 0 0 3 10 17
1996 0 8 0 0 0 2 4 14
1997 0 9 0 0 0 1 6 16
1998 0 5 0 0 1 1 8 15
1999 0 8 0 0 0 1 2 11
2000 0 9 0 0 1 2 3 15
2001 0 1 0 0 0 3 6 10
2002 1 1 0 0 0 0 8 10
2003 6 2 0 1 0 1 8 18
2004 0 2 0 0 0 4 5 11
2005 1 4 0 0 0 2 2 9
2006 2 3 0 1 1 4 7 18
2007 2 0 0 0 1 0 10 13
2008 2 3 0 0 1 1 13 20
2009 2 4 0 0 4 2 8 20
2010 9 3 0 0 0 3 11 26
2011
7
2
0
0
1
3
10
23
Total 32 617 0 2 13 44 158 866

*NT, not typeable.
Haemophilus influenza type b conjugate vaccine introduction in Alaska.

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