![]() The potential Covid-19 vaccines now in the pipeline might be more likely to fail because of the swift march through the research phase, said Robert van Exan, a cell biologist who has worked in the vaccine industry for decades. There’s a cost to moving so quickly, however. This helps explain how scientists developed a test for Covid-19 so quickly. SARS and SARS-CoV-2, the virus that causes Covid-19, are roughly 80 percent identical, and both use so-called spike proteins to grab onto a specific receptor found on cells in human lungs. The outbreaks of SARS and MERS, which are also caused by coronaviruses, spurred lots of research. Source: Biotechnology Innovation Organization, Biomedtracker, Amplion.įortunately, we already have a head start on the first phase of vaccine development: research.
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