http://www.who.int/vaccines-documents/DocsPDF00/www561.pdf
It presents information on the activities of regional certification commissions, supplemental regional data needed prior to global certification, effect of wild poliovirus importations on regional certification, wild poliovirus laboratory containment and global certification, and enterovirus surveillance data and certification. Document in pdf format; Acrobat Reader required
Originator(s): World Health Organization - WHO
Resource added in:
24/05/2001
Available languages:
English
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