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Subject: [DCHAS-L] Temperature screening question
Date: Thursday, September 9, 2021 at 11:04:27 AM
Author: Mike Cooper <mcooper**At_Symbol_Here**INDUSTRIALHYGIENERESOURCES.COM> 		Next by Date:
Subject: [DCHAS-L] Foundation for OccupationalHealth & Safety (FOHS)
Date: Thu, 9 Sep 2021 11:31:07 -0400
Author: CHAS membership

From: Info <info**At_Symbol_Here**ilpi.com>
Subject: Re: [DCHAS-L] Temperature screening question
Date: Thu, 9 Sep 2021 11:26:14 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: 9DFCB18B-584C-49B4-887D-D5872EC79433**At_Symbol_Here**ilpi.com
In-Reply-To


Some random quick refs:

Body temperature screening to identify SARS-CoV-2 infected young adult travellers is ineffective
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7403846/ 


The Environment Has Effects on Infrared Temperature Screening for COVID-19 Infection
https://www.sciencedirect.com/science/article/pii/S0196655321005186
..."Non-contact infrared thermometers may not screen appropriately for fever."


Estimating the efficacy of symptom-based screening for COVID-19
https://www.nature.com/articles/s41746-020-0300-0
"Based on these results, symptom-based screening may not be an effective strategy to identify individuals who should be tested for SARS-CoV-2 infection or to obtain a leading indicator of new COVID-19 cases."


Review of the efficacy of infrared thermography for screening infectious diseases with applications to COVID-19
https://www.spiedigitallibrary.org/journals/journal-of-medical-imaging/volume-8/issue-S1/010901/Review-of-the-efficacy-of-infrared-thermography-for-screening-infectious/10.1117/1.JMI.8.S1.010901.full?SSO=1 
"Studies have reported on the unreliability of IRT due to poor sensitivity and specificity in detecting true core body temperature and its inability to identify asymptomatic carriers. Airport mass screening using IRT was conducted during occurrences of SARS, Dengue, Swine Flu, and Ebola with reported sensitivities as low as zero. Other studies reported that screening other vital signs such as heart and respiratory rates can lead to more robust methods for early infection detection."

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On Sep 9, 2021, at 11:04 AM, Mike Cooper <mcooper**At_Symbol_Here**INDUSTRIALHYGIENERESOURCES.COM> wrote:

A recent industry group discussion noted that entrance temperature screening (for covid ) was being discontinued by several companies because: (i) they had not rejected entrance anyone due to high temperatures (ii) some positive non-symptomatic people have passed the temperature screen, and (iii) there is literature which questions its effectiveness.  Wondering if anyone on the listserv has any data or literature regarding the efficacy and pros and cons of temperature screening for companies or academic institutions? 
 
V/r, 
Mike
 
Michael N. Cooper MS, MPH, NRRPT, CIH
Industrial Hygiene Resources Ltd.
 (408) 313-2127
 
Adjunct Faculty 
Department of Community and Environmental Health
School of Allied Health Sciences,
College of Health Sciences 
Boise State University 
 
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