快筛 Traditional form: 快篩 Pinyin (reading): kuàishāi Definitions: rapid diagnostic test (RDT), abbr. for 快速篩檢/快速筛检 (kuàisùshāijiǎn) Characters: 快 - speedy, rapid, quick; soon 筛 - screen, sieve; to filter, to sift Traditional characters: 快 - speedy, rapid, quick; soon 篩 - screen, sieve; to filter, to sift