TABLE 1.

Strains used in this study

Strain	Capsular type	Clinical origin	Surface adhesins	Reference(s)
AAr176p+	Nontypeable	Nasopharynx	Pili+	14, 16
AAr176p−	Nontypeable		Pili−	14, 16
Rd	Acapsular type d		Pili−, Hap−, Hia−, HMW 1−, HMW2−	12
ST11hia+	Nontypeable	Middle ear	Pili−, Hap+, Hia+, HMW1−, HMW2−	1
ST11hia−	Nontypeable		Pili−, Hap+, Hia−, HMW1−, HMW2−	1
ST12hmw 1+/2+	Nontypeable	Middle ear	Pili−, Hap+, Hia−, HMW1+, HMW2+	67
ST12hmw 1−/2+	Nontypeable		Pili−, Hap+, Hia−, HMW1−, HMW2+	67
ST12hmw 1+/2−	Nontypeable		Pili−, Hap+, Hia−, HMW1+, HMW2−	67
ST12hmw 1−/2−	Nontypeable		Pili−, Hap+, Hia−, HMW1−, HMW2−	67
N187hap+	Nontypeable	Middle ear	Pili−, Hap+, Hia−, HMW1+, HMW2+	66
N187hap−	Nontypeable		Pili−, Hap−, Hia−, HMW1+, HMW2+	This study