This Week in MMWR: Vol. 73, December 19, 2024 December 19, 2024 In this IssueAdenovirus surveillanceLong COVID, activity limitationsMycoplasma pneumonia, schools — MOIMF administration routes, substance-use treatment — 14 U.S. states WEEKLY REPORT Notes from the Field: Long COVID and Significant Long COVID–Associated Activity Limitation Among Adults, by Jurisdiction 1 in 5 U.S. adults with Long COVID surveyed report significant limitations carrying out daily activities.Surveillance of Human Adenovirus Types and the Impact of the COVID-19 Pandemic on Reporting During 2017–2023, the most commonly reported human adenovirus types (1–4, 7, and 14) accounted for 88% of specimens reported to the National Adenovirus Reporting System.Notes from the Field: School-Based Surveillance of Mycoplasma pneumoniae Trends and Impact on School Attendance by Students and Staff Members Acute respiratory illness surveillance at a large public school district in Missouri found 76% of students and staff who tested positive for Mycoplasma pneumoniae missed at least 1 day of work, and 43% sought medical care.Notes from the Field: Geo-Temporal Trends in Fentanyl Administration Routes Among Adults Reporting Use of Illegally Manufactured Fentanyl When Assessed for Substance-Use Treatment
