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Why does our voice change when we get affected by cold or cough? I observed the voice change thing in so many people including me.

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    $\begingroup$ What has the picture of the virus got to do with your question? $\endgroup$ – WYSIWYG Dec 22 '14 at 13:02
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    $\begingroup$ You observed a virus? $\endgroup$ – Luigi Dec 22 '14 at 13:03
  • $\begingroup$ If I didn't upload the pic, then I can't able to post my question, because of "this question does meet quality standard" red color box. But I posted relevant pic to my question. $\endgroup$ – user10246 Dec 22 '14 at 15:10
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    $\begingroup$ The picture is irrelevant, and once again (this must be the 5th time I've told you specifically) stop using block quotations - learn how to use this site properly! $\endgroup$ – rg255 Dec 22 '14 at 15:22
  • $\begingroup$ When we get affected by cold or cough, the virus infects in the upper respiratory tract and prevents you from making smooth vocal sounds. $\endgroup$ – ak-SE Dec 23 '14 at 15:11
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The important point is that your voice is influenced by airflow, and your vocal cords. When we're sick, and it depends on what it is, a number of factors change the sound of your voice by influencing the two of these, either: By changing airflow due to respiratory tract swelling or fluid buildup, or by damage/swelling/alterations to the vocal cords. In a couple of examples: A weak airflow might produce a higher pitch or weaker voice, or perhaps swollen vocal cords produce that hoarseness associated with decreased frequency of vibration.

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