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J&J has not released data about how its vaccine fights variant

I am a vet and I received my COVID vaccine, Johnson & Johnson, from the White City VA. I was given a choice of all three vaccines; I chose the J&J. Why do we not hear anything about the J&J when the media talks about vaccines and the Delta variant? Is the J&J as good as the other two, and is it as effective against the Delta variant?

— Jim B., Medford

Johnson & Johnson has not released data about how its vaccine fares against the Delta variant, Jim, but studies are being conducted.

According to a study from Public Health England from late May, the AstraZeneca vaccine, which is similarly effective to Johnson & Johnson’s vaccine, was 60% effective against the Delta variant. It was 6% less effective against the Alpha variant.

The same study showed that the Pfizer-BioNTech vaccine was 88% effective against the Delta variant. It was 5% less effective against the Alpha variant.

Given this, it is unlikely that the Johnson & Johnson vaccine will be as effective against the Delta variant as Pfizer-BioNTech or Moderna, which has performed similarly to the Pfizer vaccine.

Send questions to “Since You Asked,” Mail Tribune Newsroom, P.O. Box 1108, Medford, OR 97501; or by email to youasked@rosebudmedia.com.