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Pfizer and Moderna COVID vaccines 80% effective after 1st shot, CDC study saysMarch 31, 2021 -
Pfizer begins testing children under 12 in COVID-19 vaccine trialMarch 25, 2021 -
Why are there varying reports of how well vaccines work?March 2, 2021 -
'We're shipping as we speak': Johnson & Johnson vaccine expected to arrive in 24 to 48 hoursMarch 1, 2021 -
Drugmakers promise COVID-19 vaccine production surgeFebruary 25, 2021 -
Johnson & Johnson single-dose vaccines could arrive 'as early as next week,' if FDA grants approvalFebruary 23, 2021 -
Pfizer vaccine extremely effective after one dose, can be stored in normal freezers: StudyFebruary 19, 2021 -
Fauci pushes back widespread vaccine timeline to 'late May, early June'February 17, 2021 -
Johnson & Johnson submits single-shot coronavirus vaccine for FDA's emergency use authorizationFebruary 4, 2021 -
How quickly can US ramp up vaccinations?January 26, 2021