바이러스가 몸속에 침투하면 몸은 호중구(好中球)·대식세포·자연살해세포·T세포·B세포 등을 내세워 맞서 싸운다.
When the virus penetrates into the body, the body combats it by activating neutrophils, macrophages, natural killer cells, T cells, and B cells.