J and J vaccination 67 percent efficacy against COVID-Delta (perhaps need Vitamin D)

[Johnson & Johnson COVID-19 vaccine may not perform as well against Delta variant, says study](https://headtopics.com/us/johnson-johnson-covid-19-vaccine-may-not-perform-as-well-against-delta-variant-says-study-21022299)

📄 Download the PDF preprint from VitaminDWiki

“…J&J; vaccine had 66.9% efficacy in preventing moderate to severe disease”

Note: many US colleges were trying to use the 1-shot J&J; vaccine in the Spring of 2021

in an attemp to complete vaccinations before summer break
 
21 million US J&J; jabs as of June 2021

Standard COVID vaccines probably improved effectiveness if higher vitamin D– Sept 2021

VitaminDWiki titles containing VACCIN

VACCINation,     VACCINations,     VACCINes,     VACCINe,     VACCINated, etc.

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