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Second Doses Are Better at 8 Weeks or Longer

Summary:
In Britain people are now being warned *not* to get their second dose at 3 or 4 weeks because this offers less protection than waiting 8 weeks or longer. Warnings over the lack of long-term protection offered by jab intervals shorter than eight weeks come as scores of under 40s continue to receive second doses early at walk-in clinics, contrary to Government guidance. …“There is very good immunological and vaccine effectiveness evidence that the longer you leave that second dose the better for Pfizer and eight weeks seems to be a reasonable compromise.” Professor Harnden emphasised that “you’re definitely less protected against asymptomatic disease if you have a shorter dose interval”. I’m so old I can remember when first doses first wasn’t “following the science.” The post Second

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In Britain people are now being warned *not* to get their second dose at 3 or 4 weeks because this offers less protection than waiting 8 weeks or longer.

Warnings over the lack of long-term protection offered by jab intervals shorter than eight weeks come as scores of under 40s continue to receive second doses early at walk-in clinics, contrary to Government guidance.

…“There is very good immunological and vaccine effectiveness evidence that the longer you leave that second dose the better for Pfizer and eight weeks seems to be a reasonable compromise.”

Professor Harnden emphasised that “you’re definitely less protected against asymptomatic disease if you have a shorter dose interval”.

I’m so old I can remember when first doses first wasn’t “following the science.”

The post Second Doses Are Better at 8 Weeks or Longer appeared first on Marginal REVOLUTION.

Alex Tabarrok
Alex Tabarrok is Bartley J. Madden Chair in Economics at the Mercatus Center at George Mason University and a professor of economics at George Mason University. He specializes in patent-system reform, the effectiveness of bounty hunters compared to the police, how judicial elections bias judges, and how local poverty rates impact trial decisions by juries. He also examines methods for increasing the supply of human organs for transplant, the regulation of pharmaceuticals by the FDA, and voting systems.

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