Boris Johnson visits a Covid booster jab vaccination centre

The video tutorial demonstrates a procedure involving the preparation and verification of a diluent, sodium chloride. The process includes measuring 1.8 ml of the diluent, verifying the measurement, and adding it to a vial. The steps are repeated multiple times, with careful attention to accuracy and precision. The tutorial emphasizes the importance of double-checking measurements and performing the procedure slowly and methodically.

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