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  1. 2 days ago · Vaccine efficacy against the delta variant was strong at first but waned over time, as follows: ChAdOx1 vaccine (AstraZeneca) 82.8% at 2 to 4 weeks after the 2nd dose; 43.5% at ≥ 25 weeks after the 2nd dose; BNT162b2 (Pfizer-/BioNTech)

    • Freelance writer, Medscape
  2. 2 days ago · The new messenger RNA, or mRNA, vaccines from Moderna and Pfizer/BioNTech are formulated to better target variants that are currently circulating and will replace outdated vaccines.

  3. 3 days ago · The vaccine effectiveness against infection for both Pfizer and Moderna declined to 42% and 76%, respectively, in the month of July when Delta was predominant. However, timing of vaccination and dose intervals were not examined, and results may also be attributed to waning protection over the 7-month study period from January to July 2021. 38

  4. 4 days ago · Breakthrough Omicron and Delta variant infections also prompted B cells to produce more diverse antibodies. These antibodies could target epitopes that the vaccine and the infecting SARS-CoV-2 ...

  5. 2 days ago · The U.S. Food and Drug Administration approved the Pfizer-BioNTech coronavirus vaccine on Monday for people 16 and older, making it the first of three COVID-19 shots available in the U.S. to be...

  6. 5 days ago · When delivered intranasally, NDV-PFS protected both Syrian hamsters and K18 mice against Delta and Omicron SARS-CoV-2 variants of concern.

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  8. 3 days ago · On Tuesday, The Centers for Disease Control and Prevention updated information for fully vaccinated people given new evidence on the B.1.617.2 (Delta) variant of the coronavirus currently ...

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    related to: delta variant pfizer vaccine
  2. 65 And Older & Got A 2023-24 COVID-19 Shot? You May Be Eligible For An Additional Dose. Use The Vaccine Finder To Find COVID-19 Vax Locations Near You & Help Stay Protected.

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