本题目来源于试卷: Unity and Diversity A.5 Viruses，类别为 IB生物学
[问答题]
1.Outline the methodsbb ,47uc79rjkk j-dgw of HIv8*dp*kv22 ;i +g ixcemey:2erz1 jupV transmission and its effects on the immune system.
ikvi 2jex u *d8c1yrvg2z pee2 m:+p*;
2.Discuss the need for international cooperation to fight contagious diseases such as Ebola.
3.Antibiotics are an essential tool of modern medicine. Outline the strengths and limitations of antibiotics.
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