Flu viruses infecting airways, illustration

Numéro d’image : 12422040
Flu viruses infecting airways, illustration
Flu viruses. Conceptual image of influenza viruses (red) in the airways. The virus particles are not at the same scale as the lung cilia (brown). Each virus consists of a core of RNA (ribonucleic acid) genetic material surrounded by a protein coat (red). Embedded in the coat are surface proteins (spikes). There are two types of surface protein, haemagglutinin (blue) and neuraminidase (light purple), and each exists in several subtypes. Both surface proteins are associated with the pathogenicity of a virus. Haemagglutinin binds to host cells, allowing the virus to enter them and replicate. Neuraminidase allows the new particles to exit the host after replication.
Licence : Droits gérés
Crédit: Science Photo Library / Kon, Kateryna
Taille de l’image : 5120 px × 3413 px
Model Release : Non requis
Property Release : Non requis
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