Summary
Scientists are simulating the outbreak of the H5N1 strain of the bird influenza virus using computer models. The models simulate a Southeast Asian community with a population of 500,000. The simulation models test diferent intervention strategies that may help contain the transmission of the virus. The strategies consist of vaccination of specific groups, administering antiviral drugs, limiting travel and other methods. The National Institutes of General Medical Science (NIGMS) is funding the study. This project is part of the Models of Infectious Disease Agent Study (MIDAS). In early January 2005, preliminary results may be available that could help prevent the acceleration of a global flu pandemic.
Original source:
http://www.nigms.nih.gov/news/releases/release_111504.html
Details
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A group of scientists who are developing computer models to combat infectious diseases have focused their attention on the H5N1 strain of the bird influenza virus.
- By simulating the outbreak of this potentially deadly avian flu in a hypothetical human community, the researchers hope to answer key questions about how best to contain the virus.
- The work is funded by the National Institute of General Medical Sciences (NIGMS), a component of the National Institutes of Health.
- "This modeling project will provide a tool that policymakers, public health workers and researchers can use to test intervention strategies should such an outbreak emerge."
- The flu project is part of a national effort, called the Models of Infectious Disease Agent Study (MIDAS), to develop computational models of the interactions between infectious agents and their hosts, disease spread, prediction systems and response strategies.
- The participating research teams are led by scientists at Johns Hopkins Bloomberg School of Public Health in Baltimore, Md.; Los Alamos National Laboratory in Los Alamos, N.M.; Emory University in Atlanta, Ga.; and Research Triangle Institute International in Research Triangle Park, N.C.
- The computer simulations will incorporate data on population density and age structure, distribution of schools, locations of hospitals and clinics, travel and the infectiousness of the virus.
- These simulation models will allow researchers to test different intervention strategies that may reduce the rate of transmission between people.
- "We can see what would happen if we take certain actions, like vaccinating specific groups, using antiviral medications, restricting travel or implementing other public health measures," said Irene Eckstrand, Ph.D., MIDAS program officer at NIGMS.
- The ultimate goal of the project, added Eckstrand, is to identify disease prevention and control strategies that not only contain the virus, but also quickly drop the number of people infected to zero---basically eradicating H5N1 from the human community.
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