Biotechnology company Moderna announced Monday that its coronavirus vaccine candidate appears to be 94.5% effective against the disease. The news comes one week after Pfizer announced that its vaccine was more than 90% effective in a clinical trial. As California rolls back reopening plans amid a spike in cases, we’ll discuss next steps for the new vaccines and what we know about safety and long-term effectiveness.
As Coronavirus Cases Spike, Vaccine News Offers Hope
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For months, we’ve been talking about the concept of “herd immunity” to kick the COVID-19 pandemic. But with new variants spreading and many people uninterested in inoculating themselves against this virus, scientists now believe that may be an impossible threshold to reach. (JOEL SAGET/AFP via Getty Images)
Damian Garde, National Biotech Reporter, Stat