Antivirals in a few months but vaccine +12 months is what I've heard. Unless you want to run the risk of having unknown and potentially disastreous side-effects you need to do trials with tens or even a hundred thousand people and that takes time.
But there is no way the economy is shut down for a year, even three months would be pushing it. Not to mention 90% of people who will only have mild symptoms, they aren't going to sit home for months. The other 10% will have to though and avoid contact for long time.
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