Pfizer announces its COVID-19 vaccine is 90% effective
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Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. interim /IN-ter-uhm/ [adjective] – temporary and intended to be used or accepted until something permanent exists The local government is taking interim measures to help those affected by the typhoon. immune /ih-MYOON/ [adjective] – protected against a particular disease or illness by particular substances in the blood Sera’s already immune to smallpox as a result of vaccination she received as a child. trial /TRAHY-uhl/ [noun] – a test, usually over a limited period of time, to discover how effective or suitable something or someone is The clinical trial for the new vaccine will be held tomorrow…
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