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Volume 28, Number 9—September 2022
Research Letter

Effect of Frequent SARS-CoV-2 Testing on Weekly Case Rates in Long-Term Care Facilities, Florida, USA

Lao-Tzu Allan-BlitzComments to Author , Belal Aboabdo, Isaac Turner, and Jeffrey D. KlausnerComments to Author 
Author affiliations: Brigham and Women’s Hospital Department of Medicine, Boston, Massachusetts, USA (L.-T. Allan-Blitz); Curative Inc., San Dimas, California, USA (B. Aboabdo, I. Turner); University of Southern California Keck School of Medicine, Los Angeles, California, USA (J.D. Klausner)

Main Article

Table

Estimated change in weekly SARS-CoV-2 cases because of increased testing frequency for residents of long-term care facilities, Florida, USA, June 2020–April 2021

Characteristics Percent change in weekly cases p value
Time-point of increased testing*
One week preceding 0.10 (0.03–0.16) 0.003
Two weeks preceding –0.02 (–0.09 to 0.04) 0.53
Three weeks preceding –0.08 (–0.14 to –0.02) 0.01
Four weeks preceding
–0.03 (–0.09 to 0.03)
0.34
Nursing home size and quality
Certified beds per facility 0.006 (0.004–0.008) <0.001
Aid hours per resident per facility
–0.07 (–0.17 to 0.03)
0.16
Virus conditions
Cases among long-term care facilities in preceding week 0.09 (0.09–0.10) <0.001
New county-level cases per 100,000 persons
0.002 (0.001–0.002)
<0.001
Tested after January 2021† –0.70 (–0.82 to –0.58) <0.001

*Based on number of tests per occupied bed. †Used as a surrogate for SARS-CoV-2 vaccination.

Main Article

Page created: July 12, 2022
Page updated: August 19, 2022
Page reviewed: August 19, 2022
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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