Australian scientists urge pause on deployment of AstraZeneca vaccine over efficacy concerns, suggest Pfizer or Moderna instead

Scientists in Australia

Scientists in Australia have called for a halt to the rollout of the AstraZeneca vaccine, claiming recent data has cast doubt on the inoculation’s ability to create herd immunity.

he scientists pointed to data from a study published in the Lancet last month that found the British-Swedish vaccine had only 62 percent efficacy, compared with over 90 percent for the Pfizer-BioNTech alternative.

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