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Pfizer COVID-19 vaccine effectiveness declines after six months

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  • Pfizer COVID-19 vaccine effectiveness declines after six months

    https://thehill.com/policy/healthcar...ter-six-months

    Study shows Pfizer COVID-19 vaccine effectiveness declines after six months


    A study published on Monday in The Lancet medical journal found that the efficacy of the Pfizer-BioNTech COVID-19 vaccine fell below 50 percent after about six months after the second dose.

    The Pfizer-funded study found that Pfizer's vaccine was 88 percent effective in the first month after full vaccination but dropped to 47 percent effectiveness at about six months. The vaccine was also found to be highly effective against the delta variant, which was found to be over 90 percent effective in the first months before dropping to 53 percent effectiveness after four months.

    Researchers determined that the waning immunity had to do with the amount of time since an individual was given the second shot rather than due to the highly infectious delta strain.


    That's what
    - She

    Without a clear-cut definition of sin, morality becomes a mere argument over the best way to train animals
    - Manya the Holy Szin (The Quintara Marathon)

    I may not be as old as dirt, but me and dirt are starting to have an awful lot in common
    Stephen R. Donaldson

  • #2
    hmmmm
    The first to state his case seems right until another comes and cross-examines him.

    Comment


    • #3
      Originally posted by Bill the Cat View Post
      https://thehill.com/policy/healthcar...ter-six-months

      Study shows Pfizer COVID-19 vaccine effectiveness declines after six months


      A study published on Monday in The Lancet medical journal found that the efficacy of the Pfizer-BioNTech COVID-19 vaccine fell below 50 percent after about six months after the second dose.

      The Pfizer-funded study found that Pfizer's vaccine was 88 percent effective in the first month after full vaccination but dropped to 47 percent effectiveness at about six months. The vaccine was also found to be highly effective against the delta variant, which was found to be over 90 percent effective in the first months before dropping to 53 percent effectiveness after four months.

      Researchers determined that the waning immunity had to do with the amount of time since an individual was given the second shot rather than due to the highly infectious delta strain.

      The last study I read about claimed that after 7 months there were no antibodies from the vaxx left.

      But according to Yale (released near the end of last month):

      Pfizer and Moderna have been monitoring immunity in people who were given their vaccines in the initial clinical trials—both companies had reported strong overall efficacy at the six-month mark. (Pfizer reported on its efficacy in a preprint that has not been reviewed by outside scientists; Moderna released a company statement.)






      I'm always still in trouble again

      "You're by far the worst poster on TWeb" and "TWeb's biggest liar" --starlight (the guy who says Stalin was a right-winger)
      "Overall I would rate the withdrawal from Afghanistan as by far the best thing Biden's done" --Starlight
      "Of course, human life begins at fertilization that’s not the argument." --Tassman

      Comment


      • #4
        So get the booster shot.

        Comment


        • #5
          Originally posted by Sparko View Post
          So get the booster shot.
          Still a few months to go and why I want to get the Moderna one.

          I'm always still in trouble again

          "You're by far the worst poster on TWeb" and "TWeb's biggest liar" --starlight (the guy who says Stalin was a right-winger)
          "Overall I would rate the withdrawal from Afghanistan as by far the best thing Biden's done" --Starlight
          "Of course, human life begins at fertilization that’s not the argument." --Tassman

          Comment


          • #6
            Originally posted by rogue06 View Post
            Still a few months to go and why I want to get the Moderna one.
            We had the Moderna. I thought they were having the same fading of immunity as the Pfizer?



            Securely anchored to the Rock amid every storm of trial, testing or tribulation.

            Comment


            • #7
              Originally posted by mossrose View Post

              We had the Moderna. I thought they were having the same fading of immunity as the Pfizer?
              AFAICT, not nearly as much.

              I'm always still in trouble again

              "You're by far the worst poster on TWeb" and "TWeb's biggest liar" --starlight (the guy who says Stalin was a right-winger)
              "Overall I would rate the withdrawal from Afghanistan as by far the best thing Biden's done" --Starlight
              "Of course, human life begins at fertilization that’s not the argument." --Tassman

              Comment


              • #8
                Originally posted by rogue06 View Post
                AFAICT, not nearly as much.
                Well, that's good!

                But Kasha's mommy and daddy both just had the Pfizer last Friday, first dose.


                Securely anchored to the Rock amid every storm of trial, testing or tribulation.

                Comment


                • #9
                  Originally posted by Sparko View Post
                  So get the booster shot.
                  And when that fades?
                  That's what
                  - She

                  Without a clear-cut definition of sin, morality becomes a mere argument over the best way to train animals
                  - Manya the Holy Szin (The Quintara Marathon)

                  I may not be as old as dirt, but me and dirt are starting to have an awful lot in common
                  Stephen R. Donaldson

                  Comment


                  • #10
                    Originally posted by rogue06 View Post
                    The last study I read about claimed that after 7 months there were no antibodies from the vaxx left.

                    But according to Yale (released near the end of last month):

                    Pfizer and Moderna have been monitoring immunity in people who were given their vaccines in the initial clinical trials—both companies had reported strong overall efficacy at the six-month mark. (Pfizer reported on its efficacy in a preprint that has not been reviewed by outside scientists; Moderna released a company statement.)





                    In a U.S. government study of weekly case counts at about 3,800 nursing homes released in August, researchers found effectiveness of the Pfizer and Moderna vaccines against infection decreased over time from 75% in March to 53% on Aug. 1.
                    That's what
                    - She

                    Without a clear-cut definition of sin, morality becomes a mere argument over the best way to train animals
                    - Manya the Holy Szin (The Quintara Marathon)

                    I may not be as old as dirt, but me and dirt are starting to have an awful lot in common
                    Stephen R. Donaldson

                    Comment


                    • #11
                      Originally posted by Bill the Cat View Post

                      And when that fades?
                      get another one. Just like the flu shot.

                      Comment


                      • #12
                        Originally posted by Bill the Cat View Post

                        And when that fades?
                        In the UK we get the flu jab every autumn due to virus variation. We soon get Covid boosters and they will probably repeat and repeat.

                        Comment


                        • #13
                          Originally posted by eider View Post

                          In the UK we get the flu jab every autumn due to virus variation. We soon get Covid boosters and they will probably repeat and repeat.
                          I haven't got a flu shot in 13 years since I retired from the Air Force. I only got the flu once in that time frame.
                          That's what
                          - She

                          Without a clear-cut definition of sin, morality becomes a mere argument over the best way to train animals
                          - Manya the Holy Szin (The Quintara Marathon)

                          I may not be as old as dirt, but me and dirt are starting to have an awful lot in common
                          Stephen R. Donaldson

                          Comment


                          • #14
                            Originally posted by Bill the Cat View Post

                            I haven't got a flu shot in 13 years since I retired from the Air Force. I only got the flu once in that time frame.
                            I don't often hear of friends with flu, but in 2019 a 50s something builder neighbour got stressed over the completion of his last home-build house to retire to. He got a severe cold, turned to flu and he died in intensive care after a two week struggle with it. He had been too young to be eligible for the jab. Very sad.

                            Comment


                            • #15
                              Originally posted by Sparko View Post

                              get another one. Just like the flu shot.
                              Flu shots are yearly and for different variants. This is a one-shot-fits-all and needed a few times a year.

                              I'm always still in trouble again

                              "You're by far the worst poster on TWeb" and "TWeb's biggest liar" --starlight (the guy who says Stalin was a right-winger)
                              "Overall I would rate the withdrawal from Afghanistan as by far the best thing Biden's done" --Starlight
                              "Of course, human life begins at fertilization that’s not the argument." --Tassman

                              Comment

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