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There's been no confirmation of anyone getting it a second time. Unless you're unfortunate enough to be hospitalised, no one's getting definite confirmation they've even had it a first time.
I guess there's also the (slim?) chance that even if you're not going to be infected again, it would still be possible to carry the virus around on your skin. Suitable precautions would seem like a smart move.
Is the "going out after 7days" if you've had it and recovered just, "you can do the same as everyone else" or is it that you are less likely to catch it again and/or are less likely to transmit it?