Will we need a fourth......and fifth........and sixth(!) dose of COVID vaccines to keep our immunities in shape? -- Will Americans emerge from the pandemic weaker against global competition? -- The secret to children's ability to shrug off COVID

Were the COVID booster shots just the start of what will become annual--or even twice annual--vaccine doses to keep up our immunity against the coronavirus? There's new research out that could provide answers to how many more needles might be in our future.

And because of our less-than-stellar response to the COVID pandemic, and all of the losses this country has had to absorb over these past two years, will the United States emerge from the pandemic in a much weaker state against global competition?

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