Schools Weather PC Onslaught Schools across the Washington region relied on stringent new security precautions that helped quarantine infected PCs before they even had a chance to spread their disease. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-washingtonpost.com&lt;/B&gt;&lt;/FONT&gt;