美国南卡州麻疹疫情蔓延 5天新增88例

Core Viewpoint - The measles outbreak in South Carolina is escalating, with a total of 646 confirmed cases reported as of January 20, 2026, primarily affecting unvaccinated individuals [1] Group 1: Outbreak Details - The South Carolina Department of Public Health reported 88 new confirmed cases in the past five days, with 538 individuals under observation and 33 under treatment [1] - The outbreak began in October 2025 and has spread to multiple schools [1] Group 2: Vaccination Status - Among the 646 confirmed cases, 563 individuals were unvaccinated, highlighting the importance of vaccination in preventing the disease [1] - The Centers for Disease Control and Prevention (CDC) reported a total of 171 measles cases in the U.S. for 2026, following a record high of 2,242 cases in 2025, the highest since 1992 [1] Group 3: Disease Characteristics - Measles is an acute respiratory infectious disease caused by the measles virus, primarily transmitted through respiratory droplets and aerosols [1] - Symptoms include high fever, cough, runny nose, red eyes, and rash, with severe cases potentially leading to pneumonia and death [1] Group 4: Prevention Measures - The CDC emphasizes that the best prevention method for measles is the administration of two doses of the measles vaccine, typically given as part of the measles, mumps, and rubella (MMR) vaccine [1]