J&J Shot Performs Poorly Against Delta Variant

J&J Shot Performs Poorly Against Delta Variant
J&J Shot Performs Poorly Against Delta Variant
The laboratory study, released on the preprint server bioRxiv, hasn't been published in a peer-reviewed journal and focuses on one key portion of the immune response, called neutralizing antibodies.
The study examined only one aspect of protection, J&J said in an email (File)
Johnson & Johnson's single-dose Covid vaccine produced relatively low levels of antibodies against the delta variant in a study, raising questions about how well the shot will hold up against the strain that accounts for the vast majority of U.S. cases.

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