Copper can boost fight against swine flu
IANS 25 July 2009
LONDON: Copper is quite effective in inhibiting the influenza A H1N1
virus commonly known as Swine flu, according to the latest study.
Copper appears to have a broad spectrum in antiviral activity due to
its effectiveness against RNA (Ribonucleic acid)-based influenza and
DNA (Deoxyribonucleic acid)-based adenovirus 40/41, which causes
gastrointestinal infections.
Bill Keevil, professor at the University of Southampton's School of
Biological Sciences, said that he believed copper could be used to
reduce the spread of flu in public places.
"With the ongoing threat of contamination by influenza A virus, such
as H1N1, there is a real and pressing need to utilise all appropriate
and effective measures with proven antimicrobial qualities," said
Keevil.
"It is recognised that many infectious diseases are contagious and
studies have now shown that the use of copper as a surface material in
key public places such as hospitals and food preparation areas offers
the potential to substantially restrict and reduce the spread of
harmful infections."
The influenza aspect of the study involved a series of experiments
testing incubation of influenza A on copper and stainless steel
surfaces.
Results showed that after incubation for one hour on copper, 75
percent of the virus was eradicated. Similar inactivation rates have
now been observed for adenovirus 40/41.
The study has contributed further to the understanding of copper's
antimicrobial qualities, which actively inhibit the growth of
bacteria, fungi and viruses, said a University of Southampton release.
These findings were presented at the BIT Life Sciences' Second Annual
World Summit on Anti-virals in Beijing this week.
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