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Volume 23, Number 6—June 2017

Research

Invasive Serotype 35B Pneumococci Including an Expanding Serotype Switch Lineage, United States, 2015–2016

Sopio Chochua, Benjamin J. Metcalf, Zhongya Li, Hollis Walker, Theresa Tran, Lesley McGee, and Bernard BeallComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Table 4

Serologic comparison of 35B/ST156 lineage strains with CDC Quellung reagents for resolution of serogroup 35B invasive serotype pneumococci including an expanding serotype switch lineage, United States, 2015–2016*

Strain Quellung factor
35b 29b 35c 42a 35a
cps35B + + +
cps35B (wciG deletion)‡ + +

*CDC, Centers for Disease Control and Prevention; ST, sequence type; −, negative; +, positive.
†Refers to 17 progeny resulting from recombination indicated in left column under progeny lineage diagram in Figure 3.
‡Refers to 2 indicated wciG deletion isolates in right column under progeny lineage diagram in Figure 3.

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