Welcome to biology-online.org! Please login to access all site features. Create an account.
Log me on automatically each visit
Biology Articles » Biomathematics » New Research Helps Explain the Rise in Hospital MRSA Infections
new mathematical model helps explain why infections represent a serious
threat and why attempts to control MRSA, the so-called 'superbug', have
failed or met limited success. Scientists explored the conditions under
which isolation policies can control MRSA transmission, both by
preventing an endemic state and eradicating MRSA where it is already
The mathematical model shows how the rising drug
resistant strains of MRSA may fail depending on the timing of
intervention and the levels of resource provision. If resources, such
as the isolation of patients and in dedication isolation units (IUs),
do not scale with MRSA, prevalence isolation policies can fail
Dr Graham Medley, from the University of
Warwick, said: "The research reveals that measures able to control even
short-term outbreaks could fail in the long-term and result in
gradually increasing MRSA levels due to small but rising MRSA levels in
the community. The report suggests that control measures may also fail
because hospital resources, such as the capacity to isolate patients,
are insufficient to cope with brief spikes in MRSA levels."
hospital defences have been overcome, the authors suggest that recovery
is almost impossible without the benefit of further resources.
Staphylococcus aureus in hospitals and the community: stealth dynamics
and control catastrophes" is published in the Proceeding of the
National Academy of Sciences of the United Stated (PNAS), June 21st 2004.
Sourc: University of Warwick. June 2004.
rating: 4.00 from 2 votes | updated on: 30 Oct 2008 | views: 2070 |
share this article | email to friends
suggest a revision
print this page
© Biology-Online.org. All Rights Reserved. Register | Login | About Us | Contact Us | Link to Us | Disclaimer & Privacy