The Weekly Epidemiological Record (WER) for 8 July 2011, vol. 86, 28 (pp 289–300) includes: Validation of neonatal tetanus elimination in Burundi and the Comoros by a lot quality-assurance cluster sampling survey, 1 October 2008–30 September 2009

http://www.who.int/entity/wer/2011/wer8628.pdf