I've been following bacteriophages for quite a while and found this today. they are virus' that attack bacteria and nothing else. It looks like this company is developing one for pseudomaonas.
<a target=_blank class=ftalternatingbarlinklarge href="http://www.secinfo.com/dRqWm.4gHa4.htm">Phage Theraputics</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://www.phageinternational.com/pathogens/pseudomonas.htm">another article</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://en.wikipedia.org/wiki/Pseudomonas_phage_%CE%A66">and Wikipedia articel too</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://www.evergreen.edu/phage/research/pav_wendelsdorf.htm">This one actually refernces CF</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://www.secinfo.com/dRqWm.4gHa4.htm">Phage Theraputics</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://www.phageinternational.com/pathogens/pseudomonas.htm">another article</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://en.wikipedia.org/wiki/Pseudomonas_phage_%CE%A66">and Wikipedia articel too</a>
<a target=_blank class=ftalternatingbarlinklarge href="http://www.evergreen.edu/phage/research/pav_wendelsdorf.htm">This one actually refernces CF</a>