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You are contagious and can spread chickenpox to other people from two days before the first spots develop until they have all formed scabs, which is usually five days after they first appear.
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当然，它也面临一些挑战：亚利桑那州整体医疗人才短缺，预计到2030年，还需要额外1941名初级护理医生；而且医院高度依赖Medicare，报销率低，也会影响对人才的吸引力。但总体来说，Sun City的吸引力，已经远超亚利桑那州的农村地区，属于中等偏上水平。
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00570-4