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America prepares for a possible 4th COVID injection
Even as the Omicron wave wanes, federal health officials, experts and the vaccine makers are already preparing for a possible fourth COVID shot to protect against what comes next. The catch: It’s not clear yet if another booster shot will be needed. And if so, there are still more questions about who should get one and what kind of injection would be most effective. Get market news worth your time with Axios Markets. Subscribe for free.What they say: “The potential
