Figure 2.

The frequency of HPV genotypes in Zambia as compared to the worldwide HPV distribution. The worldwide HPV data was adapted from Clifford et al. (2005) and Peyton et al. (2001) [4] [5]. Both HPV16 and HPV18 were present at 21.6% compared to 14% and 5%, for HPV16 and HPV18, respectively.

Ng'andwe et al. BMC Infectious Diseases 2007 7:77   doi:10.1186/1471-2334-7-77
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