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  1. Sep 15, 2021 · Although vaccine effectiveness has waned slightly against infection with Delta, data so far suggests the Moderna vaccine is approximately 50 to 95 percent effective against Delta, and the...

  2. Jun 22, 2021 · Scientists are studying how well COVID-19 vaccines work against the delta variant of SARS-CoV-2. We discuss the latest findings.

  3. Jul 21, 2021 · Effectiveness after one dose of vaccine (BNT162b2 or ChAdOx1 nCoV-19) was notably lower among persons with the delta variant (30.7%; 95% confidence interval [CI], 25.2 to 35.7) than among...

  4. Aug 19, 2021 · The Pfizer–BioNTech and Oxford–AstraZeneca COVID-19 vaccines are effective against the highly infectious Delta variant of SARS-CoV-2 — but their protection drops away over time, a study of...

  5. Jun 30, 2021 · Studies have found that Moderna's COVID-19 vaccine is effective against several variants of concern, including the delta variant, the biotech company announced.

  6. The delta variant is concerning because it's more highly transmissible, but the good news is that the COVID-19 vaccine is still highly protective against getting infected or ending up in a hospital or dying from the infection. Breakthrough infection is a rare event where someone who is fully vaccinated still ends up getting infected with COVID-19.

  7. Jul 1, 2021 · The Johnson & Johnson coronavirus vaccine is effective against the highly contagious Delta variant, even eight months after inoculation, the company reported on Thursday — a finding that...

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