Researchers are using gold nanoparticles as carriers of single-stranded RNA molecules, which stimulate the production of proteins called interferons that block viral agents from multiplying once delivered into cells. The research "has the potential to usher in a new generation of antiviral medicines to aggressively treat a broad range of infectious diseases, from H1N1 to avian flu and perhaps Ebola, that are becoming increasingly resistant to the medicines used against them," a researcher said.

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