Please, tell me, by what strategy do you propose we use these vaccines to end the pandemic? Please consider in your response that the pfizer vaccine wanes to 20

Please, tell me, by what strategy do you propose we use these vaccines to end the pandemic? Please consider in your response that the pfizer vaccine wanes to 20% efficacy after 5 months [1] and the others are no better. As well consider those vaccinated still catch and spread the disease. [1] https://www.nejm.org/doi/full/10.1056/NEJMoa2114114 https://www.nejm.org/doi/full/10.1056/NEJMoa2114114 From where I'm sitting it seems the vaccine maximalists believe the way we end the pandemic is a global 2-3x/year dosing regiment for all the earth's citizens.