The virus that causes COVID-19, called SARS-CoV-2, uses its spike protein in order to stick to and infect our cells. The final step for the virus to enter our cells is for part of its spike protein to act like a twist tie, forcing the host cell’s outer membrane to fuse with the virus.
Click here for original story, Weaponizing part of the SARS-CoV-2 spike protein against itself to prevent infection
Source: Phys.org