AmericaSpeaks TheVoiceOfJoyce Moderna , a Boston start up , has the first vaccine to be given approval for trials. It uses mRNA similar to the virus and helps the body’s immune system to fight the virus. This is experimental. .

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www.wsj.com/articles/u-s-awards-up-to-483-million-to-moderna-to-accelerate-coronavirus-vaccine-development-and-production-11587075412

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