acute

animated

animation

background

binding

biological

black

closeup

color

colorful

coronavirus

cov

covid

domain

glycoprotein

health

helix

homomer

homotrimer

illustration

infection

interaction

isolated

medical

medicine

model

modeling

molecular

molecule

motion

nature

novel

protein

purple

receptor

research

respiratory

ribbon

rotation

sars

sarscov2

science

signal

spike

spinning

structure

surface

syndrome

threedimensional

video

virus