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‘Discrepancies’ in Accounts of AstraZeneca's Vaccine Trial Participants' Illnesses Spark Questions [sputniknews.com]:

As US health authorities show reluctance to allow pharmaceutical company AstraZeneca to resume the clinical trials [sputniknews.com] of its coronavirus vaccine, a plethora of questions remain unanswered regarding the neurological illnesses reportedly suffered by study participants after they received injections of the experimental vaccine.

Earlier in September AstraZeneca and its partner [covid19vaccinetrial.co.uk], the University of Oxford, announced two neurological illnesses registered by the volunteers in their tests.

They subsequently offered various accounts of the sick trial subjects that instead of allaying concerns seemed to give rise to more queries.

First Sick Volunteer

The first study participant reportedly developed an illness in July. However, the details of the condition were only revealed on 9 September.

According to CNN, AstraZeneca informed the outlet [cnn.com] in an email that the patient was found to have "an undiagnosed case of multiple sclerosis."

The study then went on a "brief trial pause in July while a safety review took place." Subsequently, an independent panel concluded the condition was "unrelated to the vaccine”.

An earlier version of a participant information sheet, dated 12 July and filed with the ISRCTN registry, a database of documents pertaining to clinical trials, listed a different neurological condition, says the outlet.

According to it, the volunteer in the trial "developed symptoms of transverse myelitis (inflammation of the spinal cord)."

A study subject information sheet dated 5 August says a volunteer "developed neurological symptoms and was later diagnosed with an unrelated neurological illness."

Confusingly, it is impossible to determine whether this is the same volunteer as the one described in the document dated the month of July.

More recently, an information sheet dated 11 September fails to make mention of either multiple sclerosis or transverse myelitis, stating that volunteers had "unexplained neurological symptoms including changed sensation or limb weakness."

Second Ill Participant

On 8 September the drug firm announced that a volunteer's illness in the UK had resulted in a pause in the trial [sputniknews.com], originally referring to the case as an "unexplained illness."

As the investigation was launched, the vaccine trial was put on hold worldwide.

Four days later, it was announced the trial had resumed in the United Kingdom, with the university saying safety data was reviewed by an "independent safety review committee and UK regulator, the Medicines and Healthcare products Regulatory Agency (MHRA).”

© REUTERS / AAP Image/Dan HimbrechtsA chemist works at AstraZeneca's headquarters, after Prime Minister Scott Morrison announced Australians will be among the first in the world to receive a coronavirus disease (COVID-19) vaccine, if it proves successful, through an agreement between the government and UK-based drug company AstraZeneca, in Sydney, Australia, August 19, 2020

On 17 September an internal AstraZeneca document, labeled "initial report," reportedly stated that a previously healthy female volunteer, 37, had suffered transverse myelitis.

The most recent Oxford participant sheet says the volunteers' illnesses underwent "independent review," and were found to be "either considered unlikely to be associated with the vaccine or there was insufficient evidence to say for certain that the illnesses were or were not related to the vaccine."

No detailed explanation is offered as to how the conclusion was made.

‘Red Flags’ Raised

Experts have weighed in [cnn.com] on the seemingly contradictory statements from AstraZeneca and Oxford pertaining to the vaccine trial volunteers’ conditions.

"Those are very different statements… Their information should be consistent, and when it's not consistent, that raises questions," Dr. Harlan Krumholz, a professor at the Yale School of Medicine, was cited by CNN as saying.

The specifics retaining to the nature of the participants' neurological illnesses matter, claim scientists.
If the two volunteers had similar conditions, that would potentially lead to speculations that the vaccine might be to blame.

© AP Photo / Oxford University Pool Screen grab taken from video issued by Britain's Oxford University, showing microbiologist Elisa Granato, being injected as part of the first human trials in the UK for a potential coronavirus vaccine, untaken by Oxford University, England, Thursday April 23, 2020

However, if their conditions differed, the effect of the vaccine [sputniknews.com] might be ruled out and the conditions categorized as random.

The fact that information posted on Oxford's website said both participants of the vaccine trials suffered neurological illnesses was pronounced to be particularly concerning by immunologist Mark Slifka.

"That's why this is so shocking to me - these are both neurological diseases, and that by itself is a red flag," said Slifka, a professor at the Oregon Health & Science University.

The US leading infectious disease expert Dr. Anthony Fauci was quoted as saying on 21 September that AstraZeneca and Oxford should carefully observe other volunteers who might develop similar symptoms.

Spokespersons for the University of Oxford [covid19vaccinetrial.co.uk] and AstraZeneca spokespersons declined to answer specific questions about varying accounts of the participants' illnesses.

Original Submission