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AstraZeneca COVID-19 vaccine doses have better efficacy when given 12 weeks apart, study finds – ABC News

Waiting longer than six weeks between the first and second dose of the AstraZeneca COVID-19 vaccine results in a higher efficacy rate, according to experts.

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Waiting three months between the first and second dose of the AstraZeneca COVID-19 vaccine results in high efficacy, backing current recommendations from Australian authorities, new research shows.
Key points:

  • Australia’s regulator recommends a 12-week gap between AstraZeneca doses
  • Research in The Lancet shows the first of the two jabs offers 76 per cent protection
  • The vaccine uses new technology, so more research is expected to come

The study, which involved more than 17,000 participants and was…

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