COVID-19 forecasting using new viral variants and vaccination effectiveness models

no code implementations • 24 Jan 2022 • Essam A. Rashed, Sachiko Kodera, Akimasa Hirata

Background: Recently, a high number of daily positive COVID-19 cases have been reported in regions with relatively high vaccination rates; hence, booster vaccination has become necessary.

Time Series Analysis

Mobility-Dependent and Mobility-Compensated Effective Reproduction Number of COVID-19 Viral Variants: New Metric for Infectivity Evaluation

no code implementations • 1 Nov 2021 • Sachiko Kodera, Essam A. Rashed, Akimasa Hirata

The mobility-adjusted ERN of the alpha variant was 15%-30%, and was 20%-40% higher than the standard type in Osaka, Aichi, and London.

Management Open-Ended Question Answering

Knowledge discovery from emergency ambulance dispatch during COVID-19: A case study of Nagoya City, Japan

1 code implementation • 17 Feb 2021 • Essam A. Rashed, Sachiko Kodera, Hidenobu Shirakami, Ryotetsu Kawaguchi, Kazuhiro Watanabe, Akimasa Hirata

One significant problem is the management of ambulance dispatch and control during a pandemic.

Management

Model-based approach for analyzing prevalence of nuclear cataracts in elderly residents

no code implementations • 17 Sep 2020 • Sachiko Kodera, Akimasa Hirata, Fumiaki Miura, Essam A. Rashed, Natsuko Hatsusaka, Naoki Yamamoto, Eri Kubo, Hiroshi Sasaki

However, the prevalence of nuclear cataracts is higher in elderly people in tropical areas than in temperate areas.