Volume 10, Number 7—July 2004
Research
Rapid Assessment Tool for Haemophilus influenzae type b Disease in Developing Countries1
Figure 1

Figure 1. Global status of countries using Hib conjugate vaccine in their national immunization program in 2001 (J. Wenger, WHO, unpub. data).
1Some of the content of this manuscript has previously been presented in a document on the Web site of the World Health Organization (http://www.who.int/vaccines-documents/DocsPDF01/www625.pdf).