## 3 Results
### Results of Individual Studies
 & **Disinfected Area** & **Study** \\ \hline Quaternary ammonium + alcohol & 1–3 min VAR not reported & Operating room & [PERSON] et al., 2020 [28] \\ \hline UV-C in high-risk anaesthesia work area & 20–30 min VAR not reported & & \\ \hline Surfaces: Isopropyl alcohol 70\% & & & \\ \hline Terminal cleaning of the scan room: & & & \\ Diluted bleach solution (\(\theta\) mg chlorine & & & \\ releasing disinfect tablet to 1000 mL & not reported & Radiology department & [PERSON] et al., 2020 [33] \\ water) for machine, walls, and floor. & & & \\ \hline For delicate parts of the machine & & & \\ (collimators, control console, exposure & & \\ buttons) isopropyl alcohol 70\% & & & \\ \hline Surfaces: 1000 mg/L chlorine-containing & & & \\ disinfectants, wiped twice with 75\% & Not reported & & \\ ethanol & & & \\ \hline Equipment: 2000 mg/L & & & \\ chlorine-containing disinfect & Not reported & & \\ \hline DR and CT gantry wiped with 500 to & & & \\
1000 mg/L chlorine containing & & & \\ disinfectants or alcohol-containing & & & \\ disposable disinfectant wipes & & & \\ \hline Ground: 1000 mg/L chlorine-containing & & & \\ disinfectants & Once every 4 h & & \\ \hline Inactivation of SARS-CoV-1 (Isolate & 30 s with a viral activity reduction & & \\ FFM-1 and Hanoi strain) in suspension & & of \textgreater{}5.0\, log\text{{}_{10}}\textgreater{}4.3\, log\text{{}_{10}}\textgreater{}5.5 & & \\ tests: Ethanol 78\%, 80\%, 85\% and 95\% & & \textgreater{}5.5\, log\text{{}_{10}}\textgreater{}5.5\, log\text{{}_{10}}\textgreater{}5.5 & & \\ \hline
2-Propanol 100\% & & & \\  & & reduction of \textgreater{}3.3\, log\text{{}_{10}}\textgreater{} & & \\ \hline
2-Propanol 45\% + 1-Propanol 30\% & & & \\  & & & \\  & & & \\ \hline Formaldehyde 0.7 and 1\% & 2 min with a viral activity & & \\  & & reduction of \textgreater{}3.0\, log\text{{}_{10}}\textgreater{} & & \\ \hline Glutardialdehyde 0.5 and 2.5\% & & & \\  & & & \\  & & & \\ \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**Active Ingredients** & \multicolumn{2}{c}{**Company**} & **Contact Time** & **Formulation Type** & **Surfaces** \\ \hline Ethanol & - & Reckitt Benckiser & 0.5 min (30 s) & RTU & Hard nonporous \\ Hydrogen & - & Diverse Inc & & \\ periodic & - & Virox Technologies & 5 min & Dilutable or RTU & Hard nonporous \\ Hydrogen & - & S.C. & & \\ periodic & & Johnson Professional & 5 min & RTU & Hard nonporous \\ Hydrogen peroxide & & & & \\ Ammonium & - & Kimberly-Clark & & \\ carbonate & & Global Sales LLC & 5 min & Pressurized liquid & Hard nonporous \\ Ammonium & & & & \\ bicarbonate & & & & \\  & & & - & 10 min: & \\ Hydrogen peroxide & - & Mason & & \\ Peroxyacetic acid & & Chemical Company & - & 1 min: & Dilutable & Hard nonporous \\ Hydrogen peroxide & - & Contec Inc & & 2 min & Dilutable & Hard nonporous \\ Peroxyacetic acid & & & & \\ Hydrogen peroxide & - & Contec Inc & 0.5 min (30 s) & Wipe & Hard nonporous \\ Peroxyacetic acid & - & Evonik Corporation & 1 min & Dilutable & Hard nonporous \\ Hypochlorous acid & - & Simple & & \\  & & Science Limited & 10 min & RTU & Hard nonporous \\ Octanoic acid & - & Ecolab Inc & 2 min & Dilutable & Hard nonporous \\ Phenolic & - & Wexford Labs Inc & 10 min & Dilutable & Hard nonporous \\ Phenolic & - & Diverse Inc & 10 min & Dilutable & Hard nonporous \\ \hline \hline \end{tabular}
\end{table} 
Table 2: List of Environmental Protection Agency-registered disinfectants against human coronavirus qualified under the EPA’s emerging viral pathogens program for healthcare settings [34].