Chickenpox - Contagious anymore?

Hi, I suffered Chickenpox. Its been two weeks. Headache started on 26th Feb. I noticed first blister on following day. I have attached two images. Thats how blisters looks now. I have two questions: 01. By the look of it, is it contagious anymore? 02. Is it safe to have sex with my wife? (she never suffered chickenpox in her life) Thanks

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