国际英语资讯:Chinas phase 2 trial finds COVID-19 vaccine safe, inducing immune response -- The Lancet
<p><span word="LONDON">LONDON</span>, <span word="July">July</span> 20-- <span word="A">A</span> <span word="phase">phase</span> 2 <span word="trial">trial</span> <span word="of">of</span> <span word="a">a</span> <span word="COVID">COVID</span>-19 <span word="vaccine">vaccine</span> <span word="candidate">candidate</span> <span word="conducted">conducted</span> <span word="in">in</span> <span word="China">China</span> <span word="has">has</span> <span word="found">found</span> <span word="that">that</span> <span word="the">the</span> <span word="vaccine">vaccine</span> <span word="is">is</span> <span word="safe">safe</span> <span word="and">and</span> <span word="induces">induces</span> <span word="an">an</span> <span word="immune">immune</span> <span word="response">response</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="new">new</span> <span word="study">study</span> <span word="published">published</span> <span word="Monday">Monday</span> <span word="in">in</span> <span word="medical">medical</span> <span word="journal">journal</span> <span word="The">The</span> <span word="Lancet">Lancet</span>.</p><p><span word="The">The</span> <span word="results">results</span> <span word="provide">provide</span> <span word="data">data</span> <span word="from">from</span> <span word="a">a</span> <span word="wider">wider</span> <span word="group">group</span> <span word="of">of</span> <span word="participants">participants</span> <span word="than">than</span> <span word="the">the</span> <span word="phase">phase</span> 1 <span word="trial">trial</span>, <span word="which">which</span> <span word="was">was</span> <span word="published">published</span> <span word="in">in</span> <span word="May">May</span>. <span word="Phase">Phase</span> 1 <span word="trial">trial</span> <span word="involved">involved</span> 108 <span word="healthy">healthy</span> <span word="adults">adults</span> <span word="and">and</span> <span word="it">it</span> <span word="demonstrated">demonstrated</span> <span word="promising">promising</span> <span word="results">results</span>.</p><p>"<span word="The">The</span> <span word="phase">phase</span> 2 <span word="trial">trial</span> <span word="adds">adds</span> <span word="further">further</span> <span word="evidence">evidence</span> <span word="on">on</span> <span word="safety">safety</span> <span word="and">and</span> <span word="immunogenicity">immunogenicity</span> <span word="in">in</span> <span word="a">a</span> <span word="large">large</span> <span word="population">population</span> <span word="than">than</span> <span word="the">the</span> <span word="phase">phase</span> 1 <span word="trial">trial</span>. <span word="This">This</span> <span word="is">is</span> <span word="an">an</span> <span word="important">important</span> <span word="step">step</span> <span word="in">in</span> <span word="evaluating">evaluating</span> <span word="this">this</span> <span word="early">early</span>-<span word="stage">stage</span> <span word="experimental">experimental</span> <span word="vaccine">vaccine</span> <span word="and">and</span> <span word="phase">phase</span> 3 <span word="trials">trials</span> <span word="are">are</span> <span word="now">now</span> <span word="underway">underway</span>," <span word="said">said</span> <span word="Professor">Professor</span> <span word="Fengcai">Fengcai</span> <span word="Zhu">Zhu</span> <span word="from">from</span> <span word="Jiangsu">Jiangsu</span> <span word="Provincial">Provincial</span> <span word="Center">Center</span> <span word="for">for</span> <span word="Disease">Disease</span> <span word="Control">Control</span> <span word="and">and</span> <span word="Prevention">Prevention</span>, <span word="China">China</span>.</p><p><span word="According">According</span> <span word="to">to</span> <span word="The">The</span> <span word="Lancet">Lancet</span>, <span word="the">the</span> <span word="trial">trial</span> <span word="of">of</span> <span word="the">the</span> <span word="Ad">Ad</span>5 <span word="vectored">vectored</span> <span word="COVID">COVID</span>-19 <span word="vaccine">vaccine</span> <span word="candidate">candidate</span> <span word="was">was</span> <span word="conducted">conducted</span> <span word="in">in</span> <span word="the">the</span> <span word="central">central</span> <span word="Chinese">Chinese</span> <span word="city">city</span> <span word="of">of</span> <span word="Wuhan">Wuhan</span> <span word="with">with</span> 508 <span word="participants">participants</span> <span word="taking">taking</span> <span word="part">part</span>. <span word="Approximately">Approximately</span> <span word="two">two</span> <span word="thirds">thirds</span> <span word="of">of</span> <span word="participants">participants</span> <span word="were">were</span> <span word="aged">aged</span> 18-44 <span word="years">years</span>, <span word="with">with</span> <span word="a">a</span> <span word="quarter">quarter</span> <span word="aged">aged</span> 45-54 <span word="years">years</span>, <span word="and">and</span> 13 <span word="percent">percent</span> <span word="aged">aged</span> 55 <span word="years">years</span> <span word="or">or</span> <span word="older">older</span>.</p><p><span word="Since">Since</span> <span word="elderly">elderly</span> <span word="individuals">individuals</span> <span word="face">face</span> <span word="a">a</span> <span word="high">high</span> <span word="risk">risk</span> <span word="of">of</span> <span word="serious">serious</span> <span word="illness">illness</span> <span word="and">and</span> <span word="even">even</span> <span word="death">death</span> <span word="associated">associated</span> <span word="with">with</span> <span word="COVID">COVID</span>-19 <span word="infection">infection</span>, <span word="they">they</span> <span word="are">are</span> <span word="an">an</span> <span word="important">important</span> <span word="target">target</span> <span word="population">population</span> <span word="for">for</span> <span word="a">a</span> <span word="COVID">COVID</span>-19 <span word="vaccine">vaccine</span>, <span word="said">said</span> <span word="Professor">Professor</span> <span word="Wei">Wei</span> <span word="Chen">Chen</span> <span word="from">from</span> <span word="the">the</span> <span word="Beijing">Beijing</span> <span word="Institute">Institute</span> <span word="of">of</span> <span word="Biotechnology">Biotechnology</span> <span word="in">in</span> <span word="Beijing">Beijing</span>, <span word="China">China</span>.</p><p>"<span word="It">It</span> <span word="is">is</span> <span word="possible">possible</span> <span word="that">that</span> <span word="an">an</span> <span word="additional">additional</span> <span word="dose">dose</span> <span word="may">may</span> <span word="be">be</span> <span word="needed">needed</span> <span word="in">in</span> <span word="order">order</span> <span word="to">to</span> <span word="induce">induce</span> <span word="a">a</span> <span word="stronger">stronger</span> <span word="immune">immune</span> <span word="response">response</span> <span word="in">in</span> <span word="the">the</span> <span word="elderly">elderly</span> <span word="population">population</span>, <span word="but">but</span> <span word="further">further</span> <span word="research">research</span> <span word="is">is</span> <span word="underway">underway</span> <span word="to">to</span> <span word="evaluate">evaluate</span> <span word="this">this</span>," <span word="Chen">Chen</span> <span word="said">said</span>.</p>
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