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David Barrera-Núñez¹, Leticia Torres-Ibarra², Leith León-Maldonado³

¹Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública. Cuernavaca, Morelos, México. barrera.davidnu@gmail.com.

Salud Publica De Mexico

|May 13, 2021

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This summary is machine-generated.

SARS-CoV-2 can remain viable on various surfaces for days, posing an indirect transmission risk. Household disinfectants like soap and ethanol effectively inactivate the virus, but more research is needed on indirect transmission.

Area of Science:

Environmental Virology
Infectious Disease Epidemiology
Public Health

Background:

The SARS-CoV-2 virus can contaminate surfaces in non-healthcare settings.
Understanding the viability and transmission of SARS-CoV-2 via indirect routes is crucial for public health interventions.

Purpose of the Study:

To review scientific evidence on indirect SARS-CoV-2 transmission in non-hospital settings.
To identify population-level preventive measures against indirect SARS-CoV-2 spread.

Main Methods:

Rapid review of literature from PubMed and MedRxiv (01/12/2019–24/04/2020).
Focused on SARS-CoV-2 contamination and viability on inanimate surfaces.
Assessed disinfectant effectiveness and documented indirect transmission cases/outbreaks.

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Main Results:

High contamination rates observed on objects used by infected individuals (e.g., toilets, electronics).
SARS-CoV-2 viability confirmed on diverse materials (paper, plastic, fabric, metal) for hours to days.
Household disinfectants (ethanol, 2-propanol, chlorine, soap) demonstrated effectiveness.

Conclusions:

Limited evidence exists for documented indirect SARS-CoV-2 transmission events.
Further studies are needed to establish the minimum infectious dose for autoinoculation.
Precautionary recommendations are provided to mitigate indirect transmission risks.