Looks like Eddie's prediction is coming to pass.

Daily Mail: Researchers from the Mayo Clinic in Rochester, Minnesota, found that the Pfizer-BioNTech vaccine - the most commonly used shot in the U.S. - was only 42 percent effective against infection in July.

Meanwhile, the Moderna vaccine was only 76 percent effective.

PDF of Mayo study: https://www.medrxiv.org/content/10.1101/2021.08.06.21261707v1.full.pdf