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On February 26, the Joint Prevention and Control Mechanism of the State Council held a press conference to introduce the situation of epidemic prevention and control and vaccination. At the meeting, Wang Huaqing, chief expert of the immunization program of the Chinese Center for Disease Control and Prevention, introduced that prior to sequential immunization, booster immunization of the same technical route vaccine has been completed. According to the current regulations, sequential immunization is no longer necessary. (@Beijing Daily reporter Sun Leqi Liu Suya)
