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North American researchers will meet at ASU to put 21st century science and technology to the test
Mathematicians, biostaticians and public health officials from Canada, Mexico and the United States will gather at Arizona State University this week to focus on understanding, possibly mitigating the spread of the H1N1 flu virus. They are planning to take up the challenge of proposing science-based strategies that can slow the spread of pandemic flu.
The four-day conference and workshop – June 25-28 – will zero in on lessons learned from past outbreaks by reviewing the course of the current Influenza A/H1N1 pandemic (swine flu) and evaluating a vast number of intervention strategies under different scenarios.
The scientists and public health officials traveling to Arizona State University will advance the level of preparedness for pandemic events as a result of the synergistic interactions that result from shared access to real-time data, the latest knowledge in mathematical modeling, and a century of scientific and computational advances, according to Carlos Castillo-Chavez, a mathematical theoretical biologist who specializes in the study of disease evolution and one of the event's organizers.
Castillo-Chavez, an ASU Regents' Professor and the Joaquin Bustoz Jr. Professor of Mathematical Biology, is the director of ASU's new Mathematical, Computational and Modeling Sciences Center in the College of Liberal Arts and Sciences.
"North American cooperation is essential to ensure the well being and vitality of our region. Public health issues recognize no boundaries and must be addressed globally," Castillo-Chavez says. He adds: "ASU has close ties to groups in Mexico and Canada. It is only natural that we would bring them together on this important topic."
Among the questions to be addressed at the conference are:
• What is the impact of mass transportation systems (air-traffic and other) on disease dynamics?
• What is our current state of preparedness?
• Does the region have enough vaccines and antiviral drugs?
• Is our current use/management of antiviral drugs sustainable?
• How can we use information technology to facilitate flu monitoring and surveillance in real time?
• How useful has past knowledge been in dealing with current outbreaks?
Some similarities have been highlighted between the 1918 flu pandemic and the current outbreak, including the apparent higher susceptibility of specific age groups, Castillo-Chavez notes. Whether or not the course of this pandemic will resemble the patterns of past ones is the subject of public discussion, he says.
"We have a lot working in our favor right now including the ability to quickly identify new strains of flu and the benefit of vaccines and antiviral drugs," says Gerardo Chowell-Puente, an assistant professor in ASU's School of Human Evolution and Social Change. "In terms of infrastructure, we have already seen the impact that public health practices and surveillance can have from the SARS epidemic and others."
Chowell, an expert flu epidemic modeler, was called to his country of birth by Mexico's Ministry of Health as soon as the H1N1 outbreak was identified to help assess its impact. His talk, on the first day of the conference, will address the transmissibility and age-specific impact of the influenza outbreak in Mexico earlier this year.
The conference opens at 9:15 a.m. June 25 with remarks by Carlos Flores Vizcarra, the consul general of Mexico in Phoenix, who is an economist and former Mexican congressman. Two keynote presentations are scheduled at the ASU event. Dr. Miguel Angel Lezana, director general, National Center of Epidemiologic Surveillance and Disease Control, Mexico Ministry of Health, will discuss lessons learned from the recent epidemic in Mexico. His talk is scheduled to begin at 10:10 a.m. June 25 in the South Room of the University Club on ASU's Tempe campus, where the conference is headquartered.
Another keynote address will be delivered by Roy Curtiss, an ASU professor who leads an international team that hopes to turn a foe into a friend by enlisting Salmonella, the leading cause of food poisoning, in the fight against bacterial pneumonia and influenza. Curtiss is director of the Center for Infectious Diseases and Vaccinology at ASU's Biodesign Institute and a professor in the School of Life Sciences. His talk is scheduled to begin at 10:40 a.m. June 27.
This week's conference program includes nearly 25 individuals who will address varied issues. Among them, Ping Yan, research manager for modeling and projection at the Public Health Agency of Canada, will discuss the use of stochastic models in the transmission and control of infectious diseases. Carlos Hernández Suárez, former dean of the School of Sciences, Universidad de Colima, will speak on the impact of school closings, drug treatment and education in mitigating the impact of influenza outbreaks. D. Rick Van Schoik, director of ASU's North American Center for Transborder Studies will present a preliminary cost-benefit analysis on Transborder Risk Assessment for Pandemic (TRAP).
On Thursday evening, tabletop exercises and games that are used by public health organizations and first responders to test their plans and capabilities to respond to pandemic influenza will be demonstrated at Arizona State University's Decision Theater, a facility that provides visualization, simulation and collaborative decision-making tools. It is the only nonmilitary facility of its kind in the U.S.
In addition to participants from Canada, Mexico and Arizona State University, also in attendance will be researchers from Purdue University, North Carolina State University, the Centers for Disease Control, Los Alamos National Laboratory, Cedars-Sinai Medical Center, Entropy Research Institute, University of California at Los Angeles and Yale University.
A list of conference participants and their presentation topics, along with the agenda and other details are at http://mcmsc.asu.edu/conferences/... goal of the four-day conference at ASU "is to begin to expand the repertoire of scientific models that policymakers can use to test the impact of intervention efforts," says Castillo-Chavez. "It will take a global effort to contain a pandemic such as this. It will test not only our scientific capabilities, but our capacity to work together toward a common goal."
A follow-up conference already is planned for Sept. 14-16 in Canada. It is being organized by the Mathematics for Information Technology and Complex Systems, Centre for Disease Modeling and Public Health Agency of Canada.
Jodi Guyot, email@example.com
School of Human Evolution and Social Change