Prognosis
Scientists Racing to Decode Omicron as Defenses Buy Time
- New variant’s mutations threaten a fresh surge of infections
- Companies say they’re ready to provide new shot within months
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Travel bans and other snap defenses that countries threw up against omicron, the new Covid-19 variant, are buying time for scientists to answer key questions that could prevent another wave of deaths.
Labs in Europe, the U.S. and Africa are preparing for tests to see how the new variant is likely to behave in people who’ve been vaccinated or previously infected. Real-world research will be important too, as health authorities monitor the outbreak in South Africa closely to find out how much more transmissible the new variant will be as it spreads and whether it’s more dangerous or deadly.