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   How effective is a bivalent booster?

   • Fully vaccinated adults who received a bivalent booster had a vaccine effectiveness of at least 40% against symptomatic XBB and XBB.1.5 within 3 months of vaccination. Vaccine effectiveness was nearly 50% among adults ages 18 to 49. This was compared to adults that received two to four doses of an original vaccine but not an updated booster.

   Live Updates: How Effective Are the COVID-19 Vaccines? - GoodRx

   www.goodrx.com/conditions/covid-19/how-effective-are-covid-19-vaccines

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   Are newer variants more cross-reactive?

   • Studies have not been done with some of the newer variants, he noted, adding that those are likely to be "a little less cross-reactive". Dr Leong provided a similar view.

   CNA Explains: The FLiRT family of COVID-19 variants and what we know

   www.channelnewsasia.com/singapore/kp1-kp2-flirt-covid-19-strains-variants-what-we-know-4349086

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   Is JN1 a good variant?

   • JN.1 is fastest-growing variant to emerge in past two years. The World Health Organization designated it a variant of interest due to its rapid growth and potential to add to the respiratory virus burden in the Northern Hemisphere. The latest booster formulation should provide good protection against it, according to the organization.

   What to know about the latest COVID variants, Minnesota testing, vacci…

   www.startribune.com/what-need-know-covid-delta-variant-mask-minnesota-vaccine-virus-booster-kids-breakthrough-omicron/600084793/

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   Why are Omicron variant titers higher than Delta variants?

   • The elevated titers against Omicron variants may be attributed to the BA.5 and XBB.1.5 components in the vaccine, while the heightened response to Delta variants may be due to the vaccine’s Delta component. For the BA.2.87.1 variant, the most notable mutations are likely the two fragment deletions in NTD.

   Robust neutralization of SARS-CoV-2 variants including JN.1 and BA.2.87

   www.nature.com/articles/s41392-024-01849-6

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2. scitechdaily.com › evolving-with-the-virus-repeatEvolving With the Virus: Repeat COVID-19 Shots Neutralizing ...

   scitechdaily.com › evolving-with-the-virus-repeat

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   May 22, 2024 · Benefits of Repeated Vaccination. The study, available online in Nature, shows that people who were repeatedly vaccinated for COVID-19 — initially receiving shots aimed at the original variant, followed by boosters and updated vaccines targeting variants — generated antibodies capable of neutralizing a wide range of SARS-CoV-2 variants and even some distantly related coronaviruses.

3. www.iflscience.com › keeping-up-with-covidKeeping Up With COVID Vaccines Arms The Immune System Against ...

   www.iflscience.com › keeping-up-with-covid

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   May 20, 2024 · The researchers then tested the antibodies against a panel of different coronaviruses. There were two SARS-CoV-2 variants from different Omicron lineages, a pangolin coronavirus, the SARS virus ...

4. Videos

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     3:58

     time.com

     The Bivalent Booster Protects Against New COVID-19 Variants, New Data Show

     Jan 25, 2023

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     health.ucdavis.edu

     BA.2.86 and EG.5: How will the new COVID-19 boosters work with new variants?

     Sep 10, 2023

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     1:21

     abcnews.go.com

     What to know about Moderna's next-generation variant-specific booster

     Jul 12, 2022

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5. www.goodrx.com › conditions › covid-19Live Updates: How Effective Are the COVID-19 Vaccines? - GoodRx

   www.goodrx.com › conditions › covid-19

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   May 13, 2024 · Compared to no booster, updated booster shots were roughly 72% effective against hospitalization and 68% effective against COVID-19-related death. In the study, 541 people who didn’t receive an updated booster ended up going to the hospital; this is compared to 32 people who did receive one.

6. www.nature.com › articles › s41392/024/01849-6Robust neutralization of SARS-CoV-2 variants including JN.1 ...

   www.nature.com › articles › s41392/024/01849-6

   May 9, 2024 · Even so, the sera from individuals vaccinated with the WSK-V102C vaccine maintained a GMT above 1000 against BA.2.87.1 (Fig. 1b), suggesting that booster vaccination with WSK-V102C is expected to...

7. www.startribune.com › what-need-know-covid-deltaWhat to know about the latest COVID variants, Minnesota ...

   www.startribune.com › what-need-know-covid-delta

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   2 days ago · The latest booster formulation should provide good protection against it, according to the organization. The strain emerged in August from the ultra-mutated BA.2.86, or Pirola variant.

8. www.straitstimes.com › singapore › askst-can-currentaskST: Can current vaccines protect against new Covid-19 ...

   www.straitstimes.com › singapore › askst-can-current

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   May 20, 2024 · 1. Since the most updated vaccine targets XBB.1.5, a variant that is notably different from JN.1 and its descendants, can it protect us? Dr Leong Hoe Nam, an infectious disease doctor from Rophi...

9. www.channelnewsasia.com › singapore › kp1-kp2-flirtCNA Explains: The FLiRT family of COVID-19 variants and what ...

   www.channelnewsasia.com › singapore › kp1-kp2-flirt

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   May 20, 2024 · Are they more infectious and are current vaccines effective against newer variants of COVID-19? CNA Explains: The FLiRT family of COVID-19 variants and what we know about the KP.2 strain - CNA ...