8 ms·
If the immune system fights off the invader before it becomes established and starts freely replicating (before any symptoms, before it can be detected, before
by SAI_Peregrinus 5y ago
If the immune system fights off the invader before it becomes established and starts freely replicating (before any symptoms, before it can be detected, before it can be transmitted) then it's not an infection. It's just some contamination.