In the immune system, how do viruses....?

In our immune system, how exactly do the viruses that cause us to get sick get past the T and B memory cells?

In the immune system, how do viruses....?antivirus protection

That's a pretty complex question under the surface, but to give you a simple answer, your immune system usually doesn't recongnize an invading pathogen unless it's encountered it before. Even then, many viruses evolve to evade detection by the immune system by changing their external structure.

In the immune system, how do viruses....?computer repair

T and B doesnt recognize that they're enemies or T and B is infested with AIDS