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The doctors and scientists are trying to navigate through this NEW strand of the virus. It's been that way for every virus, sickness and disease known to man. It took research and time. If I were to invent a new woodwind instrument with a totally different fingering system, you would not know much about it, You would have to learn it. If I came back and made some revisions, you'd have to learn about it again and learn the tuning tendencies, practical range, etc.