[问答题]
1.Outline the importance of international coope dses49oyz/6 bcx)va.i tk, y;ration in fighting infectiousozdq7/c i.p)q s*/zd8k0zd pv disease c.dv s d 8)0z7/pkdo*zziqqp/s.
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.