ֱ    Ȯ  Ÿ  ̷ Ļ ο  ̷ ε ߰ߵǾ. Ÿ ÷ ̷ Ҹ ο  ̷  Ÿ  ̷  ξ ϴٰ ˷. ε Ÿ  ̷  ٸ  ̷    ̷  60%   ϴ.ε δ  , 40 Ÿ ÷  ̷ ȯڸ ߰ߴٰ ǥϸ ε   ε鿡 ڷγ19 ˻縦 ȭ  ǰߴ.
 
  ε ó ߰ߵ Ÿ ÷  ̷    ó  Ǿ. Ÿ ÷  ̷ ε Ÿ ̷  ٸ  ư  ̷ Ÿ  ̷Լ ߰ߵǴ K417N  ũ ܹ ϰ ִ. ڵ Ÿ ÷  ̷  Ÿ  ̷ Ư¡ յǾ   ȭ ų  ִٰ ϰ ִ. ε Ǻδ  ð 22 , ϶Ʈ , ɶ ,  ֿ Ÿ ÷  ̷ ȯ 40 ߰ߵǾ  ũ  ʾҴ١ . ư Ÿ  ̷ ϴ K417N ̴ 鿪   ִ  ˷      캸 ִ ̴. ε ְ ̷   ڸ ε  ü ε ̿ ͺ信 Ÿ ̰  鿪   ȸѴٴ  Ȯε ŭ Ÿ ÷ ̰   鿪 ȿ ȿȭϴ ؾ Ѵ" ߴ. Ÿ ÷  ̷ 6 16ϱ , ij, ε, Ϻ, , , , þ, , Ű, ̱  11  197 ȯڸ ״. ε    Ÿ ÷  ̷   ȿ Ȯϱ     ̴. 躸DZⱸ(The World Health Organization:WHO) ̱    WHO   Ÿ  ̷  Ϻη ϰ , ̸  ٸ  ̷   ̴١ .  ڷγ19 ̷   ε ̹ Ÿ ÷  ̷ 3  ̾  ˰ μ ִ. ű ڷγ ̷ Ȯ 99% Ÿ  ̷  Ÿ ÷  ̷  ū  Ÿ ִ.   ε Ÿ ÷  ̷  ڰ  ʾҴ.
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