[问答题]
1.Outline the importance of international cooperation in fighting infectious;bst elnv bks,.4* up3e4fy xz,p(of( di2 r e 7bqs/1e.:yfiyavse2s71yieabq f v /e.:yrases.
2.Outline the role of monoclonal antibodies in home pregnancy tests.
3.Explain the specific immune response to a pathogen in terms of antibodies and lymphocytes.