Clathrin-mediated endocytosis is a cellular process that creates a vesicle to internalize a certain substance, in the case here, the virus, with the help of the proteins called clathrins.

网格蛋白介导的内吞作用是指通过形成小泡进入某种物质；这种情况下，病毒利用的是网格蛋白。