Britain got there first. On 2 December last year, the Medicines and Healthcare products Regulatory Authority (MHRA) approved the Pfizer/BioNTech Covid-19 vaccine for use in the UK, the first in the world. The MHRA did a “rolling review” to get started, checking data the moment it came in, as opposed to waiting on the entire row of binders neatly typed… Read more3 weeks? 3 months? Same diff!