The National Academies of Sciences, Engineering, and Medicine. Rapid Expert Consultations on the COVID-19 Pandemic. Washington: The National Academies Press; 2020.

Abstract

The second chapter-SARS-CoV-2 Surface Stability and Incubation-concluded that the virus's survival ranged from 4 hours to 2-3 days, and, regarding incubation, that viral excretion would occur before symptoms, recommending quarantine for exposed people for at least 14 days. This recommendation is followed in most countries. On Social Distancing the separation of the infected from the non-infected persons is emphasized, including the schools' closing to the use of masks-an aspect that will be dealt with in the b…