Researchers in China report results from one of the first COVID-19 vaccine trials Friday, but experts who spoke to CNN were skeptical of their findings and called the data lukewarm
Researchers in China reported results from one of the first Covid-19 vaccine trials Friday, but experts who spoke to CNN were skeptical of their findings and called the data lukewarm.published in the medical journal The Lancet, researchers said their vaccine was well-tolerated and generated an immune response against the novel coronavirus.
These side effects are"not a good safety sign," said Dr. Paul Offit, director of the Vaccine Education Center at Children's Hospital of Philadelphia.According to the study, about half of recipients in the low- and middle-dose groups developed neutralizing antibodies, which can bind to the coronavirus and neutralize its effects.
"I think they should stop," said Offit, who previously developed a successful rotavirus vaccine."I have to believe there are other candidates out there that are going to do better than this." "The good news is, is producing neutralizing antibodies, which scientists think is important for protective immunity against Covid-19," said Hotez, who is also working on a vaccine against Covid-19."What is less certain is whether the levels of neutralizing antibody are high enough to confer complete protection, or whether this will be partially protective."The vaccine from the Beijing researchers uses what's called an adenovirus vector.
"However, these results should be interpreted cautiously. The challenges in the development of a COVID-19 vaccine are unprecedented, and the ability to trigger these immune responses does not necessarily indicate that the vaccine will protect humans from COVID-19."
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