They'd looked for the dangerous toxin made by the bacteria but hadn't found it.

This can allow type of dangerous E.coli toxin to affect the human body.

These bacteria can produce powerful and dangerous toxins.

Last year undercover investigators claimed to have found high levels of a dangerous toxin on board several planes.

Research studies demonstrated back in the 1970s the fact that exhaust emissions contained dangerous toxins, in particular lead.

There is a shower to decontaminate patients exposed to dangerous toxins.

It does not inactivate dangerous toxins which have already been produced by bacteria prior to irradiation.

This is mainly because chlorfenvinphos was not considered a dangerous toxin until the early 1990s.

It is, of course, a very dangerous toxin and we are aware of that.

One of the conditions of his probation was that he not handle dangerous toxins.