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Delta Plus variant

The Delta/ B.1.617.2 genome has 13 mutations (15 or 17 according to some sources, depending on whether more common mutations are included) which produce alterations in the amino-acid sequences of the proteins it encodes.

Press release: Vaccines highly effective against B.1.617.2 variant after 2 doses | UK Gov - May 22, 2021 |

New study by PHE shows for the first time that 2 doses of the COVID-19 vaccines are highly effective against the B.1.617.2 variant first identified in India.

The study found that, for the period from 5 April to 16 May:

  • the Pfizer-BioNTech vaccine was 88% effective against symptomatic disease from the B.1.617.2 variant 2 weeks after the second dose, compared to 93% effectiveness against the B.1.1.7 variant
  • 2 doses of the AstraZeneca vaccine were 60% effective against symptomatic disease from the B.1.617.2 variant compared to 66% effectiveness against the B.1.1.7 variant


'Sapere aude'
by Oui (Oui) on Sun Dec 5th, 2021 at 06:06:20 PM EST
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