Which type of infection cannot be treated with antibiotics?

Viral diseases (disases caused by viruses), because antibiotics attack the cell wall, and a virus doesnt have a cell wall.

P.S. Antibiotics can only cure bacterial diseases (diseases caused by bacteria.

P.S.S. Viruses arent living things.

P.S.S.S. What does P.S., P.S.S., etc. stand for?