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BREAKING NEWS: One-shot Johnson & Johnson COVID-19 vaccine is LESS EFFCTIVE against the Indian ‘Delta’ variant, study suggests

  • A new study looked at blood samples of patients who received the Pfizer, Moderna and Johnson & Johnson vaccine against the Indian ‘Delta’ variant
  • Antibody levels in J&J patients were five to seven times lower when exposed to the Delta variant compared to three times lower  in Pfizer and 
  • This suggests the 13 million Americans who received J&J will need boosters to protect against variants 

The Johnson & Johnson COVID-19 vaccine is ineffective against the Indian ‘Delta’ coronavirus variant, a new study suggests.

Researchers found that antibody levels from people who received the one-shot vaccine were much lower compared to those given the two-dose Pfizer-BioNTech or Moderna vaccines.  

The findings add to the growing body of evidence that the 13 million Americans who received J&J will need boosters to protect against highly infectious variants.

In testimony before the Senate Health, Education, Labor and Pensions committee on Wednesday, protonix tablets Dr Rochelle Walensky, director of the Centers for Disease Control and Prevention (CDC), said the Delta variant accounts for 83 percent of COVID-19 cases.  

In the study, which has not been peer-reviewed, blood samples from patients vaccinated the three approved shots were tested against the variant. 

Researchers found that antibody levels in J&J patients were five to seven times lower when exposed to the Delta variant.

Comparatively, levels in Pfizer and Moderna patients were three-fold lower.

The findings are in line with a UK study, which found that the AstraZeneca vaccine – which is made with the same technology that the J&J vaccine uses – is 33 percent effective against symptomatic disease caused by Delta.

‘The message that we wanted to give was not that people shouldn’t get the J.&J. vaccine, but we hope that in the future, it will be boosted with either another dose of J&J or a boost with Pfizer or Moderna,’ lead author Dr Nathaniel Landau, a virologist at NYU’s Grossman School of Medicine, told The New York Times.

Antibody levels among people who received Johnson & Johnson’s COVID-19 vaccine were low against the Indian ‘Delta’ coronavirus variant.  Pictured: Johnson & Johnson’s Covid-19 vaccines are seen on a table in Los Angeles, mAY 2021

This is a breaking news story and will be updated. 

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