We do know how to play catch-up :-) Also, the people who got their booster in October have only minimal extra protection left (12 weeks later) https://ourworldindata.org/grapher/covid-vaccine-booster-doses-per-capita?country=NLD~USA https://investorshub.advfn.com/uimage/uploads/2022/1/12/oxwopSchermafbeelding_2022-01-13_032337.jpg