Researchers from Chicago have identified focal neurological deficits as a major group of presenting symptoms among patients with West Nile Virus infection, which became epidemic in the United States in 2002. Focal neurological deficits included visual loss, muscle weakness, paralysis of one half of the body, abnormally slow movement, tremor with rigidity, numbness or tingling and unstable gait. Findings of their study are being presented at the American Academy of Neurology Annual Meeting in Honolulu, March 29-April 5, 2003.
West Nile Fever, generally transmitted to humans through the bite of an infected mosquito, is usually a relatively mild infection. It is estimated that about 20 percent of those infected will develop West Nile Fever, characterized by mild, flu-like symptoms, a skin rash on the trunk of the body and swollen lymph nodes. West Nile fever typically lasts only a few days and does not appear to cause any long-term health effects.
The more severe form of the disease is the West Nile encephalitis or meningitis, characterized by high fevers, headache, stiff neck, disorientation, seizures, coma and focal neurological deficits. The death rate among West Nile virus infection cases from the summer of 2002 was 5 to 6 percent according to the latest Center for Disease Control reports.
Marilee Reu | EurekAlert!
Finnish research group discovers a new immune system regulator
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A newly developed laser technology has enabled physicists in the Laboratory for Attosecond Physics (jointly run by LMU Munich and the Max Planck Institute of Quantum Optics) to generate attosecond bursts of high-energy photons of unprecedented intensity. This has made it possible to observe the interaction of multiple photons in a single such pulse with electrons in the inner orbital shell of an atom.
In order to observe the ultrafast electron motion in the inner shells of atoms with short light pulses, the pulses must not only be ultrashort, but very...
A group of researchers led by Andrea Cavalleri at the Max Planck Institute for Structure and Dynamics of Matter (MPSD) in Hamburg has demonstrated a new method enabling precise measurements of the interatomic forces that hold crystalline solids together. The paper Probing the Interatomic Potential of Solids by Strong-Field Nonlinear Phononics, published online in Nature, explains how a terahertz-frequency laser pulse can drive very large deformations of the crystal.
By measuring the highly unusual atomic trajectories under extreme electromagnetic transients, the MPSD group could reconstruct how rigid the atomic bonds are...
Quantum computers may one day solve algorithmic problems which even the biggest supercomputers today can’t manage. But how do you test a quantum computer to...
For the first time, a team of researchers at the Max-Planck Institute (MPI) for Polymer Research in Mainz, Germany, has succeeded in making an integrated circuit (IC) from just a monolayer of a semiconducting polymer via a bottom-up, self-assembly approach.
In the self-assembly process, the semiconducting polymer arranges itself into an ordered monolayer in a transistor. The transistors are binary switches used...
Breakthrough provides a new concept of the design of molecular motors, sensors and electricity generators at nanoscale
Researchers from the Institute of Organic Chemistry and Biochemistry of the CAS (IOCB Prague), Institute of Physics of the CAS (IP CAS) and Palacký University...
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23.02.2018 | Physics and Astronomy