• Pfizer, AZ Vaccines Effective Against Delta After 2 Doses

    6 days ago - By Medscape

    The differences in effectiveness against the Alpha vs Delta variants were modest when both doses of each vaccine were completed, but markedly different after only one dose.
    Medscape Medical News
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  • Why the 2nd Dose of Pfizer Vaccine Is So Crucial

    Why the 2nd Dose of Pfizer Vaccine Is So Crucial

    7 days ago - By Web MD

    New research finds the second dose of Pfizer's vaccine is key - it makes a huge impact on the COVID vaccine's effectiveness.
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