AstraZeneta suspended phase 3 clinical trials of the new crown vaccine because of unknown illness in volunteers.

A spokesman for AstraZeneca later said the disease affected a participant in the UK, saying all AstraZeneca vaccine trials around the world would be suspended.
. British pharmaceutical giant AstraZeneca said on September 8th local time that it had suspended trials of its coronavirus vaccine because one of its volunteers had an unseplainable illness, CNN reported.
standard precaution in vaccine trials to ensure that experimental vaccines do not cause serious reactions among volunteers.
AstraZeneta said in a statement sent to CNN: "In the ongoing Oxford Coronavirus Vaccine Random, as part of a global trial, our standard review procedure triggered a suspension of vaccination so that safety data could be reviewed.
statement added: "This is a routine operation that must be carried out whenever one of the trials has a potentially unsealable disease to ensure that we maintain the integrity of the trial."
" in large trials, the disease occurs by accident, but must be examined independently.
we are working to expedite the review of individual incidents in order to minimize any potential impact on the trial schedule.
we are committed to ensuring the safety of our participants and the highest standards of conduct in our trials.
, AstraZeneta signed a pledge with eight other companies not to seek premature government approval for any coronavirus vaccine.
promise to wait until there is enough data to show that any potential vaccine can safely prevent infection before treating it.
vaccine is one of three coronavirus vaccines in the late Stage 3 clinical trials in the United States.
it is unclear whether the suspension only covers trial sites in the United States or all of the company's trial sites worldwide.
data and security monitoring committee usually monitors the test for adverse events and can order a pause or pause, But AstraZeneta did not say who terminated the test.
spokesman for AstraZeneca later said the disease affected a participant in the UK and said all AstraZeneca vaccine trials around the world would be suspended.
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