3-month interval between first and second dose of Oxford COVID-19 vaccine results in higher vaccine efficacy than 6-week interval

News Release: 3-month interval between first and second dose of Oxford COVID-19 vaccine results in higher vaccine efficacy than 6-week interval – The Lancet

Original study: Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials – The Lancet