Outside experts, serving on an independent data and safety monitoring board that oversees the trial, will try to determine whether the condition was caused by the vaccine, or was unrelated.
According to the International Air Transport Association (IATA), providing a single dose of the vaccine to 7.8 billion people will require the use of 8,000 Boeing 747 cargo aircraft - and planning needs to begin now. According to the IATA, the WHO, UNICEF and Gavi have already reported difficulties to continue their vaccine programs due to the "limited air connectivity". "At the end of the day, this kind of rigorous clinical trial with the commitment of Michigan Medicine and other study sites to safety will be a key step in realizing a vaccine that will save lives when one is developed".
Gabriella Garcia, a neurologist at Yale New Haven Hospital, tells the Times transverse myelitis is often treatable with steroids.
"Probably right now it's just being cautious - it's a pause, it's not the same thing as saying, "We can't move forward", said Lo.
Joe Walters, one of the participants in the University of Oxford trial in the United Kingdom, spoke this week to The Guardian about his experiences, sharing that he developed a persistent fever after receiving his initial injection (although it's unknown whether he received the vaccine candidate or a control).
It is "not uncommon at all" for a vaccine maker to pause its trials to review safety concerns, National Institute of Allergy and Infectious Diseases director Dr. Anthony Fauci told CBS News on Wednesday.
The University of Michigan and Michigan Medicine is scheduled to test the vaccine in Phase 3, the university previously announced.
"It's unfortunate that it happened and hopefully they'll be able to proceed along with the remainder of the trial".
"I think the coronavirus has exposed so much dysfunction in the United States - a real inability to respond to a health crisis despite having all of these medical and scientific resources at its disposal", Dr Smith said. While the Financial Times reported AstraZeneca could resume dosing subjects early next week, the timing is outside of the company's control. Most health authorities are skeptical about a claim of vaccine success by Russian Federation, which has test results from just a few dozen people.
South Africa has also been in talks with Johnson & Johnson and Novavax to conduct other experimental vaccine trials.
The vaccine is a collaborative mission between Hong Kong and the Chinese mainland that involves researchers from the University of Hong Kong, Xiamen University, and Beijing Wantai Biological Pharmacy.
Vaccines will be one of the world's most valuable commodities and IATA has warned security will have to be extremely tight to ensure there is no tampering or theft while governments also needed to consider fast-track procedures for overflights and landing permits, exempting crews from quarantine requirements, removing curfew operating hours and flight arrival and departure priorities.
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