The next few months will be an important time for researchers who are developing vaccines to protect against the novel coronavirus. But health experts warn that people should not get their hopes up too high for such a vaccine any time soon. About 15 COVID-19 vaccine studies are taking place worldwide. Vaccines train the body to recognize and fight off invading germs. Yet scientists do not know just how strong of an immune response is needed to protect people. Nor do they know the best way to develop a vaccine against the virus. Currently, only China is developing “inactivated” vaccines, ones made by growing the new coronavirus and killing it. Inactivated vaccines, considered to be somewhat old-fashioned, are dependable but require high-security laboratories to produce. Polio shots and some influenza vaccines are made in this way. Most other possible vaccines target not the whole germ but a major piece of it, the “spike” protein. This protein is on the surface of the coronavirus and helps it invade human cells.
Title: Researchers Launch Large Trials of COVID-19 Candidate Vaccines
Content: <div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/A.wav' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='Researchers Launch Large Trials of COVID-19 Candidate Vaccines' data-article-id='4871'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='11604'>The next few months will be an important time for researchers who are developing vaccines to protect against the novel coronavirus. </span> <span data-start-time='11604' data-end-time='20938'>But health experts warn that people should not get their hopes up too high for such a vaccine any time soon.</span> <span data-start-time='20938' data-end-time='28188'>About 15 COVID-19 vaccine studies are taking place worldwide. </span> <span data-start-time='28188' data-end-time='35083'>Vaccines train the body to recognize and fight off invading germs. </span> <span data-start-time='35083' data-end-time='43646'>Yet scientists do not know just how strong of an immune response is needed to protect people. </span> <span data-start-time='43646' data-end-time='50313'>Nor do they know the best way to develop a vaccine against the virus.</span> <span data-start-time='50313' data-end-time='61542'>Currently, only China is developing “inactivated” vaccines, ones made by growing the new coronavirus and killing it. </span> <span data-start-time='61542' data-end-time='73229'>Inactivated vaccines, considered to be somewhat old-fashioned, are dependable but require high-security laboratories to produce. </span> <span data-start-time='73229' data-end-time='79333'>Polio shots and some influenza vaccines are made in this way.</span> <span data-start-time='79333' data-end-time='88750'>Most other possible vaccines target not the whole germ but a major piece of it, the “spike” protein. </span> <span data-start-time='88750' data-end-time='96458'>This protein is on the surface of the coronavirus and helps it invade human cells.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/4339/A.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=15385 data-hint-location='28188' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/what_do_vaccines_do.wav'>What do vaccines do?</div><div class='choices' data-correct-choice='train the body to recognize and fight off invading germs'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/lower_blood_pressure_and_cholesterol.wav'><span>lower blood pressure and cholesterol</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/train_the_body_to_recognize_and_fight_off_invading_germs.wav'><span>train the body to recognize and fight off invading germs</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/fight_off_the_common_cold.wav'><span>fight off the common cold</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/lower_body_mass.wav'><span>lower body mass</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=15386 data-hint-location='20938' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/how_many_covid_19_vaccine_studies_are_taking_place_worldwide.wav'>How many COVID 19 vaccine studies are taking place worldwide?</div><div class='choices' data-correct-choice='15'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/25.wav'><span>25</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/100.wav'><span>100</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/15.wav'><span>15</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/45.wav'><span>45</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=15387 data-hint-location='0' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/researchers_are_developing_vaccines_to_protect_against_the__blank_.wav'>Researchers are developing vaccines to protect against the <span class='blank'>novel coronavirus</span>.</div><div class='choices' data-correct-choice='novel coronavirus'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/measles_resurgence.wav'><span>measles resurgence</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/common_cold.wav'><span>common cold</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/novel_coronavirus.wav'><span>novel coronavirus</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/4339/psoriasis_rash.wav'><span>psoriasis rash</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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