Lancet posts Oxford Vaccine Group preprint study on how the timing of the booster dose of its Oxford-AZ vaccine affects the immune response and efficacy for people 18-55 years of age.

Medical Mythbusting Commentary for February 4, 2021

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Source:
U.K. says new study vindicates delaying 2nd AstraZeneca shot

Reference:
Single Dose Administration, And The Influence Of The Timing Of The Booster Dose On Immunogenicity and Efficacy Of ChAdOx1 nCoV-19 (AZD1222) Vaccine