Weekly Epidemiological Record (WER) for 26 April 2013

The Weekly Epidemiological Record (WER) for 26 April 2013, vol. 88, 16 (pp. 173–180) includes:
– Progress in introduction of pneumococcal conjugate vaccine worldwide, 2000–2012

http://www.who.int/entity/wer/2013/wer8817.pdf