PMID: Emerg Infect Dis. 2014 Apr ;20(4):626-33. PMID: 24655754 Abstract Title: Rapid increase in pertactin-deficient Bordetella pertussis isolates, Australia. Abstract: Acellular vaccines against Bordetella pertussis were introduced in Australia in 1997. By 2000, these vaccines had replaced whole-cell vaccines. During 2008-2012, a large outbreak of pertussis occurred. During this period, 30% (96/320) of B. pertussis …
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