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Tag: MMWR
April 1, 2021
Death Certificate–Based ICD-10 Diagnosis Codes for COVID-19 Mortality Surveillance — United States, January–December 2020
The number of US death certificates from 2020 listing COVID-19 and at least one other co-occurring diagnosis were consistent with the number of deaths attributable to COVID-19 in 2020 (approximately 375,000) reported to the CDC’s National Vital Statistics System (NVSS). Among 378,048 death certificates including the ICD-10 code for COVID-19, 5.5% (20,915) only listed that…
March 12, 2021
Notes from the Field: Opioid Overdose Deaths Before, During, and After an 11-Week COVID-19 Stay-at-Home Order — Cook County, Illinois, January 1, 2018–October 6, 2020
A total of 3,843 deaths due to opioid overdose were identified in an analysis of data from Cook County, Illinois between January 2018 and October 2020, with the weekly count of deaths ranging from 12 to 52 deaths per week. Despite a stable weekly mean of 22.6 deaths per week prior to December 2019, mean…
January 29, 2021
Impact of COVID-19 on Cervical Cancer Screening Rates Among Women Aged 21-65 Years in a Large Integrated Health Care System – Southern California, January 1-September 30, 2019, and January 1-September 30, 2020
Cervical cancer screening rates decreased among 1.5 million women served by Kaiser Permanente Southern California during stay-at-home orders implemented in March 2020 in response to the COVID-19 pandemic. Compared with 2019 screening rates, 2020 screening rates among women aged 21-29 years and aged 30-65 years were 78% and 82% lower, respectively, during the stay-at-home order…
Trends in Outbreak-Associated Cases of COVID-19 — Wisconsin, March–November 2020
COVID-19 cases linked to outbreaks on college campuses in Wisconsin increased rapidly in August 2020, and were followed by outbreaks at long-term care facilities, correctional facilities, and colleges/universities. From May 13–September 2, long-term care facilities (2,850 cases; 21%) and manufacturing or food processing facilities (2,672 cases; 20%) accounted for the largest number of outbreak-associated cases,…
January 22, 2021
COVID-19 Case Investigation and Contact Tracing Efforts from Health Departments — United States, June 25–July 24, 2020
An analysis of case investigation and contact tracing metric data reported by 56 U.S. health departments found wide variation in capacity and ability to conduct timely and effective contact tracing. A median of 57% of COVID-19 patients were interviewed within 24 hours of report of the case to a health department; a median of 1.2…
January 8, 2021
Assessment of Day-7 Postexposure Testing of Asymptomatic Contacts of COVID-19 Patients to Evaluate Early Release from Quarantine — Vermont, May–November 2020
Following a policy change to shorten the duration of quarantine for people exposed to SARS-CoV-2 who remained asymptomatic and tested negative by PCR at day 7, an analysis did not identify any contacts who tested positive within the subsequent week. Among 940 contacts of people with COVID-19 who tested negative seven days after exposure, 154…
Opening of Large Institutions of Higher Education and County-Level COVID-19 Incidence — United States, July 6–September 17, 2020
US counties with large colleges or universities operating with remote instruction (n=22) experienced an 18% decrease in incidence of SARS-CoV-2, while university counties with in-person instruction (n=79) experienced a 56% increase in incidence, comparing the 21-day periods before and after classes started. Counties without large colleges or universities (n=3,009) experienced a 6% decrease in incidence…
Participation in Fraternity and Sorority Activities and the Spread of COVID-19 Among Residential University Communities — Arkansas, August 21–September 5, 2020
Transmission of SARS-CoV-2 increased rapidly at an Arkansas university within two weeks of the start of the 2020-2021 academic year, likely facilitated by on- and off-campus congregate living settings and activities. Just 5% of the 965 people with confirmed SARS-CoV-2 at the university attended classes in person, and less than 1% of the positive cases…