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Picklebobble2 American drug companies are all claiming to be 'nearly ready"
Not really. A half dozen or so, are in an advanced stage, all because they had been working on vaccines for SARS/MERS for years. If you have not heard of it, the first human trial, started back in March, in Seattle. That would be the Moderna vaccine candidate (and the one the OP alludes to).
and on top of that you currently have Bill Gates (no less) travelling the world telling everyone who'll listen that his 'foundation' has been looking at this for years..."
Bill Gets is staying close to home, but is vocal about what his foundation is doing, alone, or in cooperation with others, is doing. For a good reason. His Foundation HAS been working on methods to standardize vaccine development tools, and speeding up the process. These are simple facts.