Erratum to: The estimated incidence of pertussis in people aged 50 years old or older in the United States, 2006-2010.
Global Health & Value, Pfizer Inc., 235 E 42nd street, New York, NY, 10017, USA. cristina.masseria@pfizer.com.
Cristina
C
Masseria
Vaccines, GlaxoSmithKline Vaccines, 5 Crescent Dr, Philadelphia, PA, 19112, USA.
Girishanthy
G
Krishnarajah