SARS-CoV-2 Delta variant., SEM

Numéro d’image : 13471827
SARS-CoV-2 Delta variant., SEM
SARS-CoV-2 Delta variant, coloured scanning electron micrograph (SEM). The delta variant (cyan dots) is shown budding from a Caco-2 human gut epithelial cell 24 hours after infection. SARS-CoV-2 Delta variant took over globally from the alpha variant in 2021. The delta variant has evolved to better replicate in its new human host allowing it to spread between people more efficiently. The coronaviruses take their name from their crown (corona) of surface proteins, which are used to attach and penetrate their host cells. As of mid-September 2021 226, 130, 821 cases and 4, 653, 230 deaths have been recorded worldwide. Magnification: x 6000 at 10cm wide. Specimen courtesy of Greg Towers, University College London, UK.
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 6000 px × 3980 px
Model Release : Non requis
Property Release : Non requis
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