Some information on which groups among the fully vaccinated are seeing a serious breakthrough infection. >As of 15 August, 514 Israelis were hospitalized with

Some information on which groups among the fully vaccinated are seeing a serious breakthrough infection. >As of 15 August, 514 Israelis were hospitalized with severe or critical COVID-19, a 31% increase from just 4 days earlier. Of the 514, 59% were fully vaccinated. Of the vaccinated, 87% were 60 or older. https://www.sciencemag.org/news/2021/08/grim-warning-israel-vaccination-blunts-does-not-defeat-delta https://www.sciencemag.org/news/2021/08/grim-warning-israel-... and >comorbidities were more frequent in patients with vaccine breakthrough infections in comparison to a large case series on unvaccinated hospitalized patients - including hypertension, diabetes, heart failure, chronic kidney diseases, chronic lung diseases, dementia and cancer. Moreover, 40% of the patients were immunocompromised. https://www.news-medical.net/news/20210713/Israeli-study-of-breakthrough-infections-following-full-BNT-Pfizer-vaccination-4025-immunocompromised.aspx https://www.news-medical.net/news/20210713/Israeli-study-of-... So the serious infections are concentrated in those who are older, immunocompromised, or those who have other conditions already known to be linked to having a more serious case.