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The FDA decided the change to a bivalent vaccine is not likely to have a different effect or risk profile than the earlier shots

The industry is also giving out signals that it is amenable to change

Bonne nouvelle : la vitamine B12 ne prsente pas de toxicit aigu connue, mme des doses trs leves

Many people feel a difference within a few days, though improvements in energy, focus, and mood can continue to build over several weeks
