Emily
Editor, Senior Moderator
https://www.eurekalert.org/news-releases/941545
News Release 27-Jan-2022
Delta variant, waning immunity reduced Pfizer vaccine’s effectiveness against household transmission
Peer-Reviewed Publication
Yale University
...
....After the emergence of the delta variant, however, vaccination no longer reduced the infectiousness of breakthrough cases and provided slightly less protection against infection, the scientists found. Instead, people who had received their second dose of vaccine more than 3 months ago were only 40% less likely to be infected compared to an unvaccinated person and may have actually been more likely to transmit the delta variant to other household members if they were infected.
...
“Moreover, vaccinated people who got infected with the delta variant were just as infectious as unvaccinated cases...
News Release 27-Jan-2022
Delta variant, waning immunity reduced Pfizer vaccine’s effectiveness against household transmission
Peer-Reviewed Publication
Yale University
...
....After the emergence of the delta variant, however, vaccination no longer reduced the infectiousness of breakthrough cases and provided slightly less protection against infection, the scientists found. Instead, people who had received their second dose of vaccine more than 3 months ago were only 40% less likely to be infected compared to an unvaccinated person and may have actually been more likely to transmit the delta variant to other household members if they were infected.
...
“Moreover, vaccinated people who got infected with the delta variant were just as infectious as unvaccinated cases...
