This study estimates the COVID-19 infection network from actual data and draws on
implications for policy and research. Using contact tracing information of 3283 confirmed …

Background Contact tracing data of severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) pandemic is used to estimate basic epidemiological parameters. Contact tracing …

COVID-19 has sparked a debate on the vulnerability of densely populated cities. Some
studies argue that high-density urban centers are more vulnerable to infectious diseases …

We used social network analysis (SNA) to study the novel coronavirus (COVID-19) outbreak
in Karnataka, India, and to assess the potential of SNA as a tool for outbreak monitoring and …

With the domestic and international spread of the coronavirus disease 2019 (COVID-19),
much attention has been given to estimating pandemic risk. We propose the novel …

The spread of coronavirus disease 2019 (COVID-19) has caused more than 80 million
confirmed infected cases and more than 1.8 million people died as of 31 December 2020 …

Background COVID-19 is spreading quickly all over the world. Publicly released data for
1212 COVID-19 patients in Henan of China were analyzed in this paper. Methods Various …

The COVID-19 pandemic has spread widely around the world. Many mathematical models
have been proposed to investigate the inflection point (IP) and the spread pattern of COVID …

Background The coronavirus pandemic (COVID-19) has spread worldwide via international
travel. This study traced its diffusion from the global to national level and identified a few …

Since the coronavirus disease (COVID-19) pandemic started at the beginning of 2020, it has
seriously affected various countries' economic and social development and accelerated the …