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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: Evaluation of vaccination herd immunity effects for anogenital warts in a low coverage setting with human papillomavirus vaccine—an interrupted time series analysis from 2005 to 2010 using health insurance data

Fig. 1

Changes in the incidence rates per 100,000 person-years (PY) of AGWs among 11- to 30-year-olds by one-year age-groups and sex (solid lines indicate estimated incidence in two time intervals: up to 2nd quarter of 2007 and after 1st quarter of 2009, p-values indicate Wald-test from Poisson regression for the indicator variable coding the two time intervals (upper (red) for females, lower (blue) for males)

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