Zusammenfassung
Heutige Grippeimpfstoffe sind vorwiegend inaktivierte Virus-Vakzine. Klassische Vakzinetypen sind entweder sog. Ganzvirus-Vakzine, Splitvirus-Vakzine oder Subunit-Vakzine. In Europa stehen zwei neue Grippeimpfstoffe, basierend auf Influenza-Subunits, vor der Einführung. Ein Produkt wurde in Italien entwickelt und verwendet zusätzlich zu den klassischen Subunit-Antigenen das neue Adjuvans MF59, um die Immunantwort zu erhöhen. Ein weiteres neues Produkt kommt in der Schweiz schon in der Impfsaison 1997/98 zum Einsatz: Hochgereinigte biologisch aktive Influenza-Subunits von den drei empfohlenen Impfstämmen werden an die Oberfläche von Lecithin-Liposomen gebunden.
Current and new influenze vaccines
Summary
Current influenza vaccines in use at present are predominantly inactivated virus vaccines. The vaccines currently in use are designated whole-virus vaccines, split virus vaccines or subunit vaccines. In Europe, two new types of influenza vaccines have reached the commercial introduction. One is produced in Italy and uses the new adjuvant MF59 to enhance the immune response. The other type is produced in Switzerland and uses phosphatidyl choline (lecithin) liposomes as surface antigen carriers.
Influenza vaccins: Classique et nouveautés
Résumé
Les vaccins actuels sont principalement des vaccins viraux inactivés. Les différents types de vaccins classiques sont des vaccins à virus entier, des vaccins à virus fractionné ou des vaccins à subunités. En Europe deux nouveaux vaccins grippaux de types subunité se trouvent devant leur introduction. L'un des deux produits a été développé en Italie; en plus des antigènes subunité classiques le vaccin contient le nouvel adjuvant MF59 destiné à augmenter la réponse immunitaire. L'autre produit sera déjà introduit en Suisse pour la saison vaccinale 1997/98: Des antigènes viraux sous forme de subunité biologiquement active, hautement purifié, provenant des trois souches vaccinales recommandées sont liées à la surface des liposomes de lécithine.
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