Publications

Syndromic surveillance using monthly aggregate health systems information data: methods with application to COVID-19 in Liberia

Author(s): Fulcher IR, Boley EJ, Gopaluni A, Varney PF, Barnhart DA, Kulikowski N, Mugunga J.-C, Murray M, Law MR, Hedt-Gauthier B|Journal: Int J Epidemiol| May 2021

Early detection of SARS-CoV-2 circulation is imperative to inform local public health response. However, it has been hindered by limited…

Population mobility reductions associated with travel restrictions during the Ebola epidemic in Sierra Leone: use of mobile phone data.

Author(s): Peak CM, Wesolowski A, Zu Erbach-Schoenberg E, Tatem AJ, Wetter E, Lu X, Power D, Weidman-Grunewald E, Ramos S, Moritz S, Buckee CO, Bengtsson L|Journal: Int J Epidemiol|PMID: 29947788| October 2018

Travel restrictions were implemented on an unprecedented scale in 2015 in Sierra Leone to contain and eliminate Ebola virus disease.…

Observational studies and the difficult quest for causality: lessons from vaccine effectiveness and impact studies.

Author(s): Lipsitch M, Jha A, Simonsen L|Journal: Int J Epidemiol|PMID: 27453361| December 2016

Although randomized placebo-controlled trials (RCT) are critical to establish efficacy of vaccines at the time of licensure, important remaining questions…