In terms of a UK authorization, we see the following time it took for Moderna's vaccine approval. "...The decision from the MHRA is based on a rolling submission of data that was announced on October 27, 2020... United Kingdom Medicines and Healthcare products Regulatory Agency Authorizes Use of COVID-19 Vaccine Moderna January 8, 2021..." So about 2.5 months. https://investors.modernatx.com/news-releases/news-release-details/united-kingdom-medicines-and-healthcare-products-regulatory In Humanigen's case, we have: "UK’s MHRA accepts Humanigen’s submission of Lenzilumab for Marketing Authorization in COVID-19 for expedited rolling review July 09, 2021" So, it's been 3.5 months so far. https://www.businesswire.com/news/home/20210709005032/en/UK%E2%80%99s-MHRA-accepts-Humanigen%E2%80%99s-submission-of-Lenzilumab-for-Marketing-Authorization-in-COVID-19-for-expedited-rolling-review