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First generation COVID-19 vaccines have been highly effective, but also have limitations. Now, scientists have developed a more targeted vaccine that, in animal studies, shows stronger, broader, and more durable protection in a single, low dose.
First generation COVID-19 vaccines have been highly effective, but also have limitations. Now, scientists have developed a more targeted vaccine that, in animal studies, shows stronger, broader, and more durable protection in a single, low dose.