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Fig. 1 | BMC Infectious Diseases

Fig. 1

From: The impact of childhood pneumococcal vaccination on hospital admissions in England: a whole population observational study

Fig. 1

Observed and fitted monthly trends in all pneumococcal disease -related hospitalisations between 2003 and 2015 by age category. Vertical grey lines represent the months when PCV7 and PCV13 were introduced into the immunisation programme, respectively. Counterfactual – expected hospital admissions in the absence of vaccination (blue lines). 95% credible intervals are given in light blue lines

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