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1. It's too complicated ! Negative proof of corona 1k view 7 res Other 2021/05/12 16:26
https://www.seattle.us.emb-japan.go.jp/itpr_ja/mizugiwa_03112021.html

Note ) Similar to Nasopharyngeal Swab Oral Swab", "Pharyngeal Swab", etc., but these are not valid.

Normal per...
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