加拿大一名感染麻疹儿童死亡

Group 1 - A baby infected with measles has died in Ontario, Canada, marking the first reported death from measles in a child this year [1] - The deceased was a premature infant who contracted the virus from an unvaccinated mother [1] - Measles is a highly contagious respiratory disease that can lead to severe complications, including pneumonia and death [1] Group 2 - Ontario is experiencing a significant outbreak of measles, with 1,729 confirmed cases and 280 suspected cases reported from October 28, 2024, to June 3, 2025 [2] - The outbreak is linked to a larger epidemic that began in New Brunswick and primarily affects unvaccinated individuals [2] - The United States is also facing a measles outbreak, with 1,088 confirmed cases reported this year, the highest in six years [2] Group 3 - Public health officials are urging vaccination as the best preventive measure against measles, emphasizing the risks for unvaccinated individuals [3]