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Room-Temperature Vaccine Could Be Boon to Developing Countries

Scientists have developed a revolutionary vaccine that does not require refrigeration or booster shots, making the so-called nanovaccine a potential “game-changer” in curbing disease in the developing world. Experts believe the drug, which is delivered in a nose spray, could extend immunization to millions of people who are not now vaccinated against dangerous, infectious diseases.   Scientists say the vaccine is the first to use nanoparticles, a relatively new technology in medicine...

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