Social and Behavioral Sciences Commons^™

The Incubation Period Of Coronavirus Disease 2019 (Covid-19) From Publicly Reported Confirmed Cases: Estimation And Application, Stephen A. Lauer, Kyra H. Grantz, Qifang Bi, Forest K. Jones, Qulu Zheng, Hannah R. Meredith, Andrew S. Azman, Nicholas G. Reich, Justin Lessler

Biostatistics and Epidemiology Faculty Publications Series

Background:

A novel human coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was identified in China in December 2019. There is limited support for many of its key epidemiologic features, including the incubation period for clinical disease (coronavirus disease 2019 [COVID-19]), which has important implications for surveillance and control activities.

Objective:

To estimate the length of the incubation period of COVID-19 and describe its public health implications.

Design:

Pooled analysis of confirmed COVID-19 cases reported between 4 January 2020 and 24 February 2020.

Setting:

News reports and press releases from 50 provinces, regions, and countries outside Wuhan, Hubei province, China. …

Adolescents’ Soda Consumption In Mexico Before And After The Sugar-Sweetened Beverages Tax: Results From National Health And Nutrition Surveys, Estefania Martí Malvido

School of Public Policy Capstones

In 2014 Mexico implemented a national tax on sugar-sweetened beverages (SSBs) as a public health strategy. Over the last decades, obesity has significantly increased among adolescents (12-19 years). In addition, the consumption of high-energy beverages among adolescents more than doubled from 1999 to 2006. The current study investigates the relationship between the SSBs tax and the caloric soda consumption in the Mexican adolescent population utilizing cross-sectional data from two nationally representative nutrition surveys. One from 2012 which took place before the tax was implemented and one conducted in 2016, two years after tax implementation.

Results show a positive association between …