Traditional Culture Encyclopedia - Hotel reservation - Is the hotel the last double pick?

Is the hotel the last double pick?

number

Double sampling is a sampling method of nucleic acid detection, that is, nasopharyngeal swab and oropharyngeal swab are collected in the same sampling tube and two tubes are collected. Parallel detection is conducted in two different COVID-19 nucleic acid detection institutions or two COVID-19 nucleic acid detection reagents are used in the same institution.