3 years ago: Bill Gates' foundation gives the MHRA (Medicines and Healthcare products Regulatory Agency of Britain) 1 million pounds: "We are delighted to announce a new partnership with the Bill & Melinda Gates Foundation and the World Health Organisation..."
2 years ago: Bill Gates' foundation gives Pfizer $17,000,000 for research: https://www.gatesfoundation.org/How-We-Work/Quick-Links/Grants-Database/Grants/2016/09/OPP1133548
Earlier in the year: Gates tells of a collaboration with one of the Covid-19 vaccine makers (doesn't say who).
2 months ago: Bill Gates doesn’t expect a virus vaccine before year-end — but he says one drugmaker (Pfizer) has the best chance https://www.cnbc.com/2020/09/15/bill-gates-doesnt-expect-a-coronavirus-vaccine-before-year-end.html
2 weeks ago: The MHRA rushes through approval of Pfizer Biontech vaccine for use in the UK.