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Associations of stay-at-home order and face-masking recommendation with trends in daily new cases and deaths of laboratory-confirmed COVID-19 in the United States
dc.contributor.author | Xu, Jie et al. | |
dc.date.accessioned | 2020-05-19T19:10:07Z | |
dc.date.available | 2020-05-19T19:10:07Z | |
dc.date.issued | 2020-05-12 | |
dc.identifier.uri | https://doi.org/10.1101/2020.05.01.20088237 | en_US |
dc.identifier.uri | https://hdl.handle.net/20.500.12663/1563 | |
dc.description.abstract | OBJECTIVE: To examine the associations of stay-at-home order and face-masking recommendation with trends in daily new cases and deaths of laboratory-confirmed coronavirus disease 2019 (COVID-19) in the United States DESIGN: Piecewise log-linear modelling of temporal trends with turning-points, followed by quasi-experimental study on trend turning-point. Simulation studies were carried out to understand the outcomes under the scenarios if early-implementation and removal of stay-at-home order occurred. SETTING: Population data in the United States PARTICIPANTS: Residents in the U.S., who were affected by the stay-at-home and face-masking policies MAIN OUTCOME MEASURES: Turning-points of the daily new cases and deaths of COVID-19, and COVID-19 time-varying reproduction numbers (Rt) in the U.S. RESULTS: The number and the proportion of U.S. residents under SAHO increased between March 19 and April 7, and plateaued at 29,0829,980 and 88.6%, respectively. The trend in COVID-19 daily cases reduced after March 23 (P<0.001) and further reduced on April 3 (P<0.001), which was associated with implementation of SAHO by 10 states on March 23, and the Centers for Disease Control and Preventions recommendation of face-masking, respectively. Similar turning points were identified in the trends of daily deaths with a lag time. The estimates of Rt based on the 3 reported mean serial-intervals of COVID-19 all started to decline on March 19, when SAHO was first implemented in the U.S. and declined faster after March 23. After a short plateau, Rt continued to decline after April 3 and fell below/around 1.0 on April 13. CONCLUSIONS: There were 2 turning points of COVID-19 daily new cases or deaths in the U.S., which appeared to associate with implementation of SAHO and the CDC face-masking recommendation. Simulation on early-implementation and removal of SAHO reveals considerable impact on COVID-19 daily new cases and deaths. These findings may inform decision-making of lifting SAHO and face. | en_US |
dc.language | English | en_US |
dc.subject | COVID-19 | en_US |
dc.subject | Coronavirus | en_US |
dc.subject | Infectious Diseases | en_US |
dc.subject | Social Isolation | en_US |
dc.subject | Facial Masks | en_US |
dc.subject | United States | en_US |
dc.subject | Mortality | en_US |
dc.subject | Laboratory Test | en_US |
dc.title | Associations of stay-at-home order and face-masking recommendation with trends in daily new cases and deaths of laboratory-confirmed COVID-19 in the United States | en_US |
eihealth.country | Global (WHO/OMS) | en_US |
eihealth.category | Public Health Interventions | en_US |
eihealth.type | Published Article | en_US |
eihealth.maincategory | Slow Spread / Reducir la Dispersión | en_US |
dc.relation.ispartofjournal | medRxiv | en_US |
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