- Technology dates back to the 1930s when research
was carried out on natural plant extracts and their possible uses.
- The outbreak of the war and subsequent introduction of
antibiotics stopped further development.
- Over the past decade the over use of antibiotics has led
to bacteria developing resistance against them.
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- Issues have been highlighted in the media about
- MRSA - just one of a new breed of super bug passing between
humans & animals
- The toxic and carcinogenic effects of cleaning products
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