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Instituto Nacional de Salud Pública

2021, Number 1

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salud publica mex 2021; 63 (1)

Rapid review of transmission of SARS-CoV-2 by contact with objects and surfaces

Barrera-Núñez D, Torres-Ibarra L, León-Maldonado L, Stern D, Barrientos-Gutiérrez T, López-Carrillo L

Language: Spanish
References: 27
Page: 126-135
PDF size: 317.42 Kb.


ABSTRACT

Objective. To identify scientific evidence on the indirect transmission of SARS-CoV-2 in out-of-hospital spaces and population measures for its prevention. Materials and methods. A rapid review of what has been published in PubMed and MedRxiv between 12/01/2019 and 04/24/2020, on the topics: 1) the contamination and viability of SARSCoV- 2 in different inanimate surfaces; 2) products accessible at home level with disinfectant efficacy against SARS-CoV-2; 3) the cases and outbreaks of SARS-CoV-2 transmitted through surfaces. Results. A high proportion of the objects people infected with SARS-CoV-2 use (toilet, pots and electronic tablets) are contaminated. This virus remains viable from hours to days in paper, cardboard, cloth, glass, wood, plastic, steel and face masks. Ethanol, 2-propanol, chlorine, and soap are effective in deactivating it. There is little evidence on cases and outbreaks by indirect contact. Conclusions. Studies are required to determine the minimum infectious dose by autoinoculation. Appealing to the precautionary principle, we include recommendations to reduce the risk of indirect contagion.


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