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Pharmaceutical Giant AstraZeneca Halts COVID-19 Vaccine Trial

VOA News

   British-Swedish pharmaceutical giant Astra-Zeneca has paused
   large-scale global trials of its COVID-19 vaccine because a volunteer
   participant became ill after receiving the experimental drug.

   The company issued a statement Tuesday saying the pause in testing is a
   "routine action, which has to happen whenever there is a potentially
   unexplained illness in one of the trials, while it is investigated,
   ensuring we maintain the integrity of the trials."

   AstraZeneca developed the vaccine, AZD1222, in cooperation with
   Britain's University of Oxford. The vaccine is being tested in
   large-scale Phase 2 and Phase 3 trials in several nations, including
   the United States, Britain, Brazil, South Africa and India. AZD1222 is
   one of three COVID-19 vaccines in late-stage Phase 3 trials in the
   United States.

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