Micrograph of COVID-19 Delta strain(1/3)

A micrograph depicts two Delta strain coronaviruses in the Vero E6 intercellular space. They were grown using a green monkey's kidney epithelial cell culture. The image is taken in a laboratory at the Vector State Research Centre of Virology and Biotechnology, Russia. (Photo/Agency)

A micrograph depicts Delta strain coronaviruses with characteristic spikes in the Vero E6 intercellular space. They were grown using a green monkey's kidney epithelial cell culture. The image is taken in a laboratory at the Vector State Research Centre of Virology and Biotechnology, Russia. (Photo/Agency)

A micrograph depicts Delta strain coronaviruses on the membrane of Vero E6 cells. They were grown using a green monkey's kidney epithelial cell culture. The image is taken in a laboratory at the Vector State Research Centre of Virology and Biotechnology, Russia. (Photo/Agency)