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MONDAY, Feb. 3, 2020 -- A mad dash is afoot to craft a vaccine for the new coronavirus that's ravaging China and starting to spread across the globe, with possibly dozens of labs working on permanent protection against the pathogen. Researchers say...NEXT ARTICLE
A vaccine is a biological preparation that improves immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism, and is often made from weakened or killed forms of the microbe, its toxins or one ...