Sanofi et Novavax vont s’allier afin de développer un futur vaccin combiné contre la grippe et le Covid

sanofi et novavax vont s’allier afin de développer un futur vaccin combiné contre la grippe et le covid

Les groupes pharmaceutiques Sanofi et Novavax ont décidé de s’allier sur le terrain de la commercialisation du vaccin anti-Covid. AFP / ALAIN JOCARD ET JUSTIN TALLIS

La page de la pandémie de Covid-19 se tourne dans le secteur pharmaceutique : les groupes Sanofi et Novavax, anciens concurrents dans les vaccins anti-Covid, vont faire alliance sur ce terrain. Le français Sanofi va commercialiser le vaccin de l’américain Novavax, ont annoncé vendredi les deux entreprises.

«Ã‚ Novavax recevra un paiement initial de 500 millions de dollars et jusqu’à 700 millions de dollars (de plus) » de la part de Sanofi, expliquent les deux groupes dans un communiqué commun. L’accord prévoit que Sanofi commercialisera à partir de 2025 le vaccin de Novavax, et inscrira donc les ventes dans ses comptes. Quelques pays, comme l’Inde, feront exception, car Novavax y dispose déjà d’autres accords.

Le contrat prévoit aussi que Sanofi puisse développer des vaccins combinés grippe et Covid, à partir de celui de Novavax. Enfin, le français prendra une petite part, moins de 5 %, de Novavax.

Déclin des ventes

Cet accord intervient alors que plusieurs groupes pharmaceutiques sont confrontés au net déclin des ventes de vaccins anti-Covid. Mercredi, le britannique AstraZeneca a annoncé le retrait de son vaccin, l’un des premiers mis sur le marché pendant la pandémie, citant une chute de la demande.

Quant à Novavax et Sanofi, leur accord répond à des enjeux différents pour les deux groupes. Il apporte un précieux secours à l’américain, un petit groupe dont le portefeuille est très dépendant de son vaccin Covid. Novavax avait fait part l’an dernier d’importantes difficultés financières. Son titre, qui atteignait des centaines de dollars au pic de la pandémie, n’en vaut plus qu’entre 4 et 5.

Pour Sanofi, un géant qui n’est pas menacé par la chute des ventes des vaccins anti-Covid, l’accord permet de miser sur une vaccination combinée avec la grippe. Le français, qui avait tardé à développer son vaccin anti-Covid, est en effet l’un des grands acteurs des vaccins grippaux.

«Ã‚ Sanofi sera l’unique responsable du développement et de la commercialisation de tout nouveau vaccin combiné grippe-Covid-19 élaboré avec un vaccin antigrippe de Sanofi », précise le communiqué. Sanofi ne précise pas, par ailleurs, quelle place il laissera à son propre vaccin anti-Covid, aux côtés de celui de Novavax.

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