Several new viral respiratory tract infectious diseases with epidemic potential that threaten
global health security have emerged in the past 15 years. In 2003, WHO issued a worldwide …

Background Public health surveillance is based on the continuous and systematic collection,
analysis, and interpretation of data. This informs the development of early warning systems …

Background Dengue fever (DF) in Guangzhou, Guangdong province in China is an
important public health issue. The problem was highlighted in 2014 by a large …

We develop an epidemiological approach to analyze how financial contagion may affect and
be affected by economic activity. We show that, according to specific parameter values, the …

Objectives Rapid epidemic detection is an important objective of surveillance to enable
timely intervention, but traditional validated surveillance data may not be available in the …

Abstract Objective While the World Health Organization's recommendation of syndromic
sentinel surveillance for influenza is an efficient method to collect high‐quality data …

Background Online activity‐based epidemiological surveillance and forecasting is getting
more and more attention. To date, Google search volumes have not been assessed for …

Objective: Digital surveillance has shown mixed results as a supplement to traditional
surveillance. Google Trends™(GT)(Google, Mountain View, CA, United States) has been …

Influenza is a common respiratory infection that causes considerable morbidity and mortality
worldwide each year. In recent years, along with the improvement in computational …

Introduction Emergency department (ED) patients' Internet search terms prior to arrival have
not been well characterized. The objective of this analysis was to characterize the Internet …