Volume 16, Number 2—February 2010
Dispatch
Bordetella pertussis Clones Identified by Multilocus Variable-Number Tandem-Repeat Analysis
Figure 1

Figure 1. Temporal trends of predominant multilocus variable-number tandem-repeat analysis (MLVA) types in Australia. Isolates of 4 major MLVA types (MT70, MT27, MT29, and MT64) obtained in Australia were divided into 3 periods: whole cell vaccine (WCV) (before 1997), transition from WCV to acellular vaccine (ACV) (1997–1999), and ACV (2000 onward).
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