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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Singapore+Med+J 2022 ; 63 (2): 61-67 Nephropedia Template TP
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Transmission modes of severe acute respiratory syndrome coronavirus 2 and implications for infection control: a review #MMPMID32729311
Ong SWX; Coleman KK; Chia PY; Thoon KC; Pada S; Venkatachalam I; Fisher D; Tan YK; Tan BH; Ng OT; Ang BSP; Leo YS; Wong MSY; Marimuthu K
Singapore Med J 2022[Feb]; 63 (2): 61-67 PMID32729311show ga
The complete picture regarding transmission modes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is unknown. This review summarises the available evidence on its transmission modes, our preliminary research findings and implications for infection control policy, and outlines future research directions. Environmental contamination has been reported in hospital settings occupied by infected patients, and is higher in the first week of illness. Transmission via environmental surfaces or fomites is likely, but decontamination protocols are effective in minimising this risk. The extent of airborne transmission is also unclear. While several studies have detected SARS-CoV-2 ribonucleic acid in air samples, none has isolated viable virus in culture. Transmission likely lies on a spectrum between droplet and airborne transmission, depending on the patient, disease and environmental factors. Singapore's current personal protective equipment and isolation protocols are sufficient to manage this risk.