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Vaccination of the elderly was suspended during an outbreak on Réunion last year. A new vaccine may be safer VAISHNAVI CHANDRASHEKHAR, in Saint-Denis, Réunion In March 2025, a chikungunya epidemic was sweeping this French territory in the western Indian Ocean, and 66-year-old company manager Joël Rivière was getting increasingly worried. The widespread viral disease is rarely deadly, but it can cause high fever and crippling joint pains. His doctor told Rivière a vaccine existed—but it turned out to have drawbacks. First, Rivière learned the shot would cost €200, which was too expensive for him. …
摘自《科学》(Science)第391卷 第6785期 · 2026年2月5日,Vaishnavi Chandrashekhar。仅引用开头一小段供了解文章,版权归原刊所有,全文请阅读原刊。