Author(s): Lipsitch M, Abdullahi O, DʼAmour A, Xie W, Weinberger DM, Tchetgen Tchetgen E, Scott JA|Journal: Epidemiology|PMID:22441543| July 2012
There are more than 90 serotypes of Streptococcus pneumoniae, with varying biologic and epidemiologic properties. Animal studies suggest that carriage…