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10.1007/s40042-021-00225-9 http://scihub22266oqcxt.onion/10.1007/s40042-021-00225-9 34177075!8211952!34177075     free     free     free Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       J+Korean+Phys+Soc 2021 ; 79 (5): 492-498 Nephropedia Template TP {{tp|p=34177075|t=2021. Estimate of the critical exposure time based on 70 confirmed COVID-19 cases |pdf=|usr=}}{{34177075}} gab.com Text Estimate of the critical exposure time based on 70 confirmed COVID-19 cases JO: J Korean Phys Soc http://www.kidney.de/pget.php?&tw=1&pmid=34177075 #FOAvip The transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) occurs via contact with contaminated surfaces and inhalation of large airborne droplets and aerosols. As growing evidence of airborne SARS-CoV-2 transmission has been reported worldwide, ventilation is an effective method of reducing the infection probability of SARS-CoV-2. This leads to such questions as "What is a sufficient ventilation rate for avoiding the risk of COVID-19 infection?" Therefore, this study evaluates the critical ventilation rates according to room size and exposure time when a susceptible person is in the same room as an infector. The analytical results were based on data obtained from 70 confirmed COVID-19 cases transmitted in confined spaces without an operational ventilation system. The results reveal that even with active ventilation (20 h(-1) air exchange rate), the critical exposure time for a susceptible person with a COVID-19 infector in a small space of 20 m(3) is less than 1 h. For other cases (different space sizes), the estimated air exchange rates for avoiding the risk of infection are generally higher than various requirements for good indoor air quality. The findings of this study will provide guidelines for determining sufficient ventilation rates to protect against the highly contagious COVID-19. Twit Text FOAVip Estimate of the critical exposure time based on 70 confirmed COVID-19 cases ????J Korean Phys Soc http://www.kidney.de/pget.php?&tw=1&pmid=34177075 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34177075 #FOAvip English Wikipedia <ref>{{Cite pmid|34177075}}</ref> Estimate of the critical exposure time based on 70 confirmed COVID-19 cases #MMPMID34177075 Lee H; Ahn KH J Korean Phys Soc 2021[]; 79 (5): 492-498 PMID34177075show ga The transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) occurs via contact with contaminated surfaces and inhalation of large airborne droplets and aerosols. As growing evidence of airborne SARS-CoV-2 transmission has been reported worldwide, ventilation is an effective method of reducing the infection probability of SARS-CoV-2. This leads to such questions as "What is a sufficient ventilation rate for avoiding the risk of COVID-19 infection?" Therefore, this study evaluates the critical ventilation rates according to room size and exposure time when a susceptible person is in the same room as an infector. The analytical results were based on data obtained from 70 confirmed COVID-19 cases transmitted in confined spaces without an operational ventilation system. The results reveal that even with active ventilation (20 h(-1) air exchange rate), the critical exposure time for a susceptible person with a COVID-19 infector in a small space of 20 m(3) is less than 1 h. For other cases (different space sizes), the estimated air exchange rates for avoiding the risk of infection are generally higher than various requirements for good indoor air quality. The findings of this study will provide guidelines for determining sufficient ventilation rates to protect against the highly contagious COVID-19. äEstimate of the critical exposure time based on 70 confirmed COVID-19 (epmc).pdf DeepDyve Pubget Overpricing