美国麻疹病例数创1992年以来新高 疾控中心强调接种疫苗的重要性

Core Insights - The article highlights a significant increase in measles cases in the United States, with over 2,000 confirmed cases reported in 2025, marking the highest level since 1992 [1] - The CDC emphasizes the importance of measles vaccination amidst a growing anti-vaccine sentiment [1] Summary by Sections Measles Cases Data - As of December 30, 2025, the U.S. reported a total of 2,065 confirmed measles cases, with 2,041 being domestic cases and 24 imported cases [1] - There were 235 hospitalizations and 3 deaths associated with these cases [1] - The age group most affected (42%) is between 5 to 19 years old, while the highest proportion of hospitalizations is among children under 5 years old [1] - Approximately 93% of the patients were either unvaccinated or had an unclear vaccination status [1] Disease Characteristics - Measles is an acute respiratory infectious disease caused by the measles virus, primarily transmitted through respiratory droplets and aerosols [1] - Symptoms typically appear 1 to 2 weeks after exposure and include high fever, cough, runny nose, red eyes, and rash, with severe cases potentially leading to pneumonia and death [1] Historical Context - The U.S. experienced a severe measles epidemic in the early 1990s, but public health measures led to the declaration of measles elimination in 2000 [1] - Recent years have seen a resurgence in measles cases, attributed to the rise of anti-vaccine movements [1] Vaccination Recommendations - The CDC stresses that the best prevention method for measles is the administration of two doses of the measles vaccine, typically given as part of the MMR (measles, mumps, rubella) vaccine [2]