Vaccines reduce risk of Delta infection in the home by about a third
接种疫苗仅能将家庭内传播Delta风险降低约三分之一

UK scientists warn that unvaccinated people cannot rely on close contacts who have been jabbed to protect them
英国科学家表示，他们的研究结果表明，仅靠接种疫苗不足以让人们防止感染Delta变种，也不足以防止其在家庭环境中传播。

更新于2021年10月29日 14:42 英国《金融时报》克莱夫•库克森伦敦报道

Vaccination only reduces the risk of infection with the Delta variant of coronavirus by about a third, according to a detailed study of transmission within households.