摘要：The adequate characterization of type A influenzaviruses requires the identification not only of the haemagglutinin but also of the neuraminidase. The neuraminidase-inhibition test, as performed in the two WHO international reference centres for influenza, is described and its use in other laboratories—particularly those collaborating in the WHO programme—is recommended. Full text Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (443K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References . 199 200 201 202
