Delta variant infections are probably more severe, CDC document says, citing data showing vaccinated people can spread coronavirus washingtonpost.com/health/2021/07…
Scientists were so alarmed by the new research cited in the internal document, obtained by The Post, that the agency significantly changed mask guidance for vaccinated people even before making the new data public. washingtonpost.com/health/2021/07…
The document, an internal slide presentation, captures the struggle of the CDC to persuade the public to embrace vaccination and prevention measures as cases surge across the U.S. and new research suggests vaccinated people can spread the virus. wapo.st/3rJMWS4 
The document cites a combination of recently obtained, still-unpublished data from outbreak investigations and outside studies showing that vaccinated individuals infected with delta may be able to transmit the virus as easily as those who are unvaccinated.washingtonpost.com/health/breakth…
If the war has changed, as the CDC states, so has the calculus of success and failure.
The extreme contagiousness of delta makes herd immunity a more challenging target, infectious-disease experts said. wapo.st/3i82lrX
The extreme contagiousness of delta makes herd immunity a more challenging target, infectious-disease experts said. wapo.st/3i82lrX
The document underscores what scientists and experts have been saying for months: It is time to shift how people think about the pandemic.
Read the slides from the internal presentation here: washingtonpost.com/context/cdc-br…
Read the slides from the internal presentation here: washingtonpost.com/context/cdc-br…
The document strikes an urgent note, revealing the agency knows it must revamp its public messaging to emphasize vaccination as the best defense against a variant so contagious that it acts almost like a different novel virus. washingtonpost.com/health/2021/07…
• • •
Missing some Tweet in this thread? You can try to
force a refresh
