&lt;p&gt;&lt;h3 style=&quot;&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-family: &amp;quot;Times New Roman&amp;quot;;&quot;&gt;&lt;span style=&quot;background-color: rgb(0, 255, 255);&quot;&gt;Chapitre 4:&lt;/span&gt; Dysfonctionnement du syst&egrave;me immunitaire - Probl&egrave;me d'immunit&eacute;&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;/h3&gt;

&lt;b&gt;&lt;span style=&quot;font-size: 18pt; line-height: 107%; font-family: &amp;quot;Times New Roman&amp;quot;, serif; background: yellow;&quot;&gt;Activit&eacute; 1&amp;nbsp;:&lt;/span&gt;&lt;span style=&quot;font-size: 18pt; line-height: 107%; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt; &lt;/span&gt;&lt;span style=&quot;font-size: 14pt; line-height: 107%; font-family: &amp;quot;Times New Roman&amp;quot;, serif;&quot;&gt;Dysfonctionnement du syst&egrave;me immunitaire&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;&lt;p class=&quot;MsoNormal&quot; style=&quot;margin-bottom:0cm;margin-bottom:.0001pt;line-height:
normal;mso-layout-grid-align:none;text-autospace:none&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-size:14.0pt;font-family:&amp;quot;Times New Roman&amp;quot;,serif;
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0;mso-effects-shadow-angleky:0&quot;&gt;III- IST&amp;nbsp;: Agresseurs de l&rsquo;appareil
g&eacute;nital&amp;nbsp;:&amp;nbsp;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;