tetano
Editor, Senior Moderator
WHO has developed this manual in order to strengthen the laboratory diagnosis and virological surveillance of influenza infection by providing standard methods for the collection, detection, isolation and characterization of viruses.
http://whqlibdoc.who.int/publications/2011/9789241548090_eng.pdf
http://whqlibdoc.who.int/publications/2011/9789241548090_eng.pdf