Delta coronavirus variant doubles risk of hospitalization: Scottish study - POLITICO Europe
The BioNTech/Pfizer vaccine provided 79 percent protection against infection from the Delta variant, compared with 92 percent against the Alpha variant.The BioNTech/Pfizer vaccine provided 79 percent protection against infection from the Delta variant, compared with 92 percent against the Alpha variant, at least two weeks after the second dose, the study found.The Oxford/AstraZeneca vaccine, meanwhile, offered 60 percent protection against the Delta variant compared with 73 percent for the Alpha variant.Across both vaccines, the data also showed a "worrying" slightly higher risk of hospitalization with the Delta variant than Alpha after two vaccine doses, noted Robertson.PHE said vaccine efficacy against hospitalization from the Delta variant was “comparable†to the Alpha variant.PHE has previously published analysis showing that one dose is 17 percent less effective at preventing symptomatic illness from the Delta variant compared to Alpha, but there's only a small difference after two doses, it said