Source: Highlights The Lancet study states that a three-month interval between doses of the Oxford University-AstraZeneca vaccine resulted in higher vaccine efficacy According to the findings, the first dose offered 76 per cent protection in the three months between doses London: A three-month interval between doses of the Oxford University-AstraZeneca vaccine resulted in higher vaccine efficacy than a six-week interval, reveals The Lancet study. According to the findings from a phase 3 randomised controlled trial, the first dose offered 76 per cent protection in the three months between dose...