They were called Arcade idk y but they did
Step 1: immune system goes and finds the virus.
Step 2: it process to search.
Step 3: it envelops it after it fells it out
Step 4: it comments suicide to kill the forging cell
Modern astronomy came mostly from the discovery that the earth was revolving around the sun and not the sun around the earth. The church claimed before that the earth is in the middle of the universe and that the sun goes around it, however, astronomers of the time managed to prove that the earth was in fact revolving around the sun.