Parameter | Value | Reference |
US population as of 2019 | 328.2 million | 73 |
Total number of healthcare and frontline workers in the USA as of 2020 | 18 (17–19) million | 34–36 |
Weight of one 3M 1860 N95 respirator | 11.3 g | 29 |
Weight of one 3-ply disposable personal protective (PPE-100–50) surgical mask | 8.5 g | 54 |
Total cost of assembled reusable transparent elastomeric adaptable long-lasting (TEAL) respirator, minus filters | US$6.11 ($4.42 GBP; $5.20 Euro) | 10 |
Weight of one TEAL reusable respirator | 46.5 g | 10 |
Weight of one reusable respirator filter | 2.26 g | 10 |
Cost of one pair of filters required per reusable respirator | US$0.34 ($0.25 GBP; $0.29 Euro) | 10 |
Cost of one 3-ply surgical mask (Fluidshield Level 1) | US$0.14 ($0.10 GBP; $0.12 Euro) | 47 |
Cost of one 3M 1860 N95 respirator | US$0.86 ($0.62 GBP; $0.73 Euro) | 46 |
Cost of the National Battelle System funded by the US Food and Drug Administration (FDA) | US$415 million ($300.23 million GBP; $352.93 Euro) | 6 |
Reduction in the number of respirators required for HCW population in the USA by the use of H2O2 vapour decontamination | 20-fold | 6 |
Reduction in the number of respirators required for HCW population in the USA by the use of UVGI | 5-fold | 11 |
HCW, healthcare worker; UVGI, ultraviolet germicidal irradiation.