Publications by authors named "William S Crystal"
Background: Numerous countries have imposed strict travel restrictions during the COVID-19 pandemic, contributing to a large socioeconomic burden. The long quarantines that have been applied to contacts of cases may be excessive for travel policy.
Methods: We developed an approach to evaluate imminent countrywide COVID-19 infections after 0-14-day quarantine and testing.
Background: Numerous countries imposed strict travel restrictions, contributing to the large socioeconomic burden during the COVID-19 pandemic. The long quarantines that apply to contacts of cases may be excessive for travel policy.
Methods: We developed an approach to evaluate imminent countrywide COVID-19 infections after 0-14-day quarantine and testing.