我国新冠病毒灭活疫苗获批进入临床试验
<p><span word="The">The</span> <span word="two">two</span> <span word="vaccines">vaccines</span> <span word="are">are</span> <span word="China">China</span>'<span word="s">s</span> <span word="first">first</span> <span word="batch">batch</span> <span word="of">of</span> <span word="COVID">COVID</span>-19 <span word="inactivated">inactivated</span> <span word="vaccines">vaccines</span> <span word="that">that</span> <span word="have">have</span> <span word="obtained">obtained</span> <span word="clinical">clinical</span> <span word="trial">trial</span> <span word="approval">approval</span>. <span word="Using">Using</span> <span word="killed">killed</span> <span word="pathogenic">pathogenic</span> <span word="microorganisms">microorganisms</span> <span word="for">for</span> <span word="enhancing">enhancing</span> <span word="the">the</span> <span word="immunogenicity">immunogenicity</span>, <span word="the">the</span> <span word="vaccines">vaccines</span> <span word="have">have</span> <span word="advantages">advantages</span> <span word="of">of</span> <span word="mature">mature</span> <span word="production">production</span> <span word="process">process</span>, <span word="controllable">controllable</span> <span word="quality">quality</span> <span word="standards">standards</span> <span word="and">and</span> <span word="wide">wide</span> <span word="protection">protection</span> <span word="range">range</span>.</p><p>此次获批进入临床试验的两款灭活疫苗是我国首批获得临床研究批件的新冠病毒灭活疫苗，是一种杀死病原微生物但仍保持其免疫原性的疫苗，具有生产工艺成熟、质量标准可控、保护范围广等优点。</p>
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