HealthExperimental dengue vaccine cuts infection rates in real-world trials A vaccine based on a weakened version of the dengue virus was 80 per cent effective at preventing infections after one year in a trial of 20,000 children 快猫短视频
HealthThe UK has lost its World Health Organization 鈥榤easles-free鈥 status Three years after the measles virus was eliminated, the UK has lost its 鈥渕easles-free鈥 status, prompting the government to announce urgent action 快猫短视频