Non-contact infrared thermometers are not as successful as Covid 19 screeners, according to new research

Non-contact infrared thermometers are not as successful as Covid 19 screeners, according to new research

Baltimore: One of the common symptoms of covid-19 is fever, while studies by the Johns Hopkins Medicine and the University of Maryland School of Medicine show that temperature testing is primarily a non-contact infrared thermometer (NC) IT). There is no effective strategy to prevent the spread of the CoV-19 virus.
According to an editorial published in the Open Forum Infectious Diseases, the American Journal of Infectious Diseases’ online journal, Covid 19 was the first aspect of temperature screening when the US Department of Health and Human Services and the United States.
The Centers for Disease Control and Prevention has issued guidelines for Americans to seek medical attention for signs of infection with SARS-Co-2, along with a temperature check.
According to the guidelines, fever is defined as the temperature taken near the forehead with NCIT – greater or equal to 100.4 degrees Fahrenheit (38.0 degrees Celsius) and 100.0 degrees for non-healthcare settings. Fahrenheit (over 37.8) for healthcare providers (degrees Celsius)
The study’s author, William Wright, said: “The readings obtained with NCIT affect a number of human, environmental and equipment variables, all of which relate to their accuracy, reproductive capacity and its close measurement. Can be affected by what may be called ‘body temperature.’ Or basal temperature, or blood temperature in the pulmonary vein. ”
“However, catheterization of the pulmonary artery is required to take the basal temperature reliably, which is neither safe nor practical as a screening test,” he said.
Wright and McCoyak provided data in their editorial to show that the NCIT failed a screening test for the SARS Covey 2 infection.
“As of February 23, 2020, more than 46,000 passengers were shown at US airports with NCITs, and only one person was identified as having SARS-Co-2,” he told Wright.
From a November 2020 CDC report, Wright, along with fellow author Philip McCoyk, provided further support for his concerns about the exposure to the temperature of the Covid 19. Of the approximately 76,766,000 passengers screened between January 17 and September 13, 2020, only 85,000 per person – or about 0. 0.001% – were later screened, the report said. Tested positively for Additionally, out of 278 people in this group, only 47 (17%) had symptoms similar to those of SARS-Co-2, which was a temperature that met the CDC standard for fever.
“Another problem with NCITs is that they will read misleadingly during a fever, which makes it difficult to know when the fever really is,” Wright said.
“During a period when the fever is rising, the core temperature rises due to which the amount of heat is limited by the blood vessels near the surface of the skin and they reduce the amount of heat. ۔ ” “And during a fever drop, the opposite happens. Therefore, identifying a fever detection on an NCIT measurement that can measure the heat radiating from the forehead,” he added.
Wright and McCoyak concluded their editorial by saying that these and other factors affecting thermal screening with NCIT should be addressed in order to identify those infected with SARS-CO2. To develop a better program.
At the end of the editorial, he also suggested improvement strategies, such as (1) reducing the cut-off temperature used to identify people with symptomatic diseases, especially the elderly or immunocompromised individuals. When screening, (2) group testing viruses in a more systematic state to enable real-time monitoring and surveillance, (3) ‘smart’ thermometers capable of connecting with GPS devices such as smartphones, and ( 4) Monitor Sewage Sludge for Stork Cove-2.

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