The first wave of coronavirus vaccines might be like a flu shot, experts say, curbing symptoms in some patients but not protecting them from COVID-19.
The global race for a coronavirus vaccine involves a few basic approaches. Some have been around for decades, others are being tried for the first time.
Dr. Mark Feinberg, CEO of the International AIDS Vaccine Initiative, cites the success of the Ebola vaccine. Not only did it speed through its clinical trials — from starting Phase 1 to getting early Phase 3 results in 10 months — but it also was nearly 100% effective within 10 days of a single dose being administered.That’s not likely to be the case now. “The challenge is that the novel coronavirus hasn’t been around long enough,” Feinberg said.
“What’s interesting is that all have recovered, and we do not know how they did this,” said Feinberg, a former chief public health and science officer with the pharmaceutical giant Merck.— from a natural infection or a vaccine — lasts and whether a decline in antibodies in two to three months is cause for concern.
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