Epiconcept, Paris, France.
Nivel, Utrecht, the Netherlands.
Euro Surveill. 2021 Jul;26(29). doi: 10.2807/1560-7917.ES.2021.26.29.2100670.
We measured COVID-19 vaccine effectiveness (VE) against symptomatic SARS-CoV-2 infection at primary care/outpatient level among adults ≥ 65 years old using a multicentre test-negative design in eight European countries. We included 592 SARS-CoV-2 cases and 4,372 test-negative controls in the main analysis. The VE was 62% (95% CI: 45-74) for one dose only and 89% (95% CI: 79-94) for complete vaccination. COVID-19 vaccines provide good protection against COVID-19 presentation at primary care/outpatient level, particularly among fully vaccinated individuals.
我们使用多中心病例对照设计在 8 个欧洲国家的老年人群(≥65 岁)中测量了初级保健/门诊水平的 COVID-19 疫苗对有症状的 SARS-CoV-2 感染的疫苗有效性(VE)。我们在主要分析中纳入了 592 例 SARS-CoV-2 病例和 4372 例阴性对照。一剂疫苗的 VE 为 62%(95%CI:45-74),完全接种疫苗的 VE 为 89%(95%CI:79-94)。COVID-19 疫苗对初级保健/门诊水平的 COVID-19 表现提供了良好的保护,特别是在完全接种疫苗的人群中。