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The AstraZeneca coronavirus vaccine runs the risk of “freezing” the procedure, as there was a second person with side effects during testing.
According to the New York Times, it is about a woman who participated in the trials in Great Britain and developed a rare inflammatory disease that affects the spinal cord. This disease causes weakness, sensory disturbances and dysfunction of the autonomic nervous system.
This side effect is rare but serious, and experts say Continuation of the AstraZeneca vaccine trials against coronavirus, which one note that they have stopped since the beginning of September.
The AstraZeneca report states that its target is a 50% effective vaccine, a limit set by the US FDA in its guidelines. To determine with statistical precision whether the company achieves this goal, 150 confirmed coronavirus patients must participate in the trials.
“If there are two cases, then it starts to look like a dangerous pattern,” said Mark Slifka, a vaccine specialist at the University of Oregon School of Medicine.
At the same time, he said that in case a third case of side effects is found, tests for the experimental vaccine should be stopped. AstraZeneca has revealed details about the vaccine trials due to pressure from the world to report their progress.
Note that so far 18,000 people have received this experimental vaccine.
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