Comments by "리주민" (@user-nf9xc7ww7m) on "Are the 'lollipop tests' innovating COVID-19 mass screening? | COVID-19 Special" video.

  1. Did the teacher just put two or more swabs in the same tube? Good luck trying to figure out which student is infected, even if the swabs are labelled per student (cross-contamination).
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