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Showing Original Post only (View all)New data on coronavirus vaccine effectiveness may be "a wakeup call" [View all]
Source: Axios
A new preprint study that raises concerns about the mRNA vaccines' effectiveness against Delta particularly Pfizer's has already grabbed the attention of top Biden administration officials.
What they're saying: The study found the Pfizer vaccine was only 42% effective against infection in July, when the Delta variant was dominant. "If that's not a wakeup call, I don't know what is," a senior Biden official told Axios.
Driving the news: The study, conducted by nference and the Mayo Clinic, compared the effectiveness of the Pfizer and Moderna vaccines in the Mayo Clinic Health System over time from January to July.
Read more: https://www.axios.com/coronavirus-vaccines-pfizer-moderna-delta-biden-e9be4bb0-3d10-4f56-8054-5410be357070.html