OMICRON: Virology, immunopathogenesis, and laboratory diagnosis

M Bazargan, R Elahi… - The Journal of Gene …, 2022 - Wiley Online Library
Since its emersion, coronavirus disease 2019 (COVID‐19) has been a significant global
dilemma. Several mutations in the severe acute respiratory virus (SARS‐Co‐2) genome has …

Evaluation of waning of SARS-CoV-2 vaccine–induced immunity: a systematic review and meta-analysis

F Menegale, M Manica, A Zardini, G Guzzetta… - JAMA Network …, 2023 - jamanetwork.com
Importance Estimates of the rate of waning of vaccine effectiveness (VE) against COVID-19
are key to assess population levels of protection and future needs for booster doses to face …

The vaccine efficacy against the SARS-CoV-2 omicron: a systemic review and meta-analysis

Y Zou, D Huang, Q Jiang, Y Guo, C Chen - Frontiers in Public Health, 2022 - frontiersin.org
Background COVID-19 is a respiratory illness caused by SARS-CoV-2. The most recent
variant is Omicron (line B. 1.1. 529), which was first identified in South Africa in November …

[HTML][HTML] Mathematical modeling for Delta and Omicron variant of SARS-CoV-2 transmission dynamics in Greece

S Liossi, E Tsiambas, S Maipas… - Infectious Disease …, 2023 - Elsevier
A compartmental, epidemiological, mathematical model was developed in order to analyze
the transmission dynamics of Delta and Omicron variant, of SARS-CoV-2, in Greece. The …

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

EA Rashed, S Kodera, A Hirata - Computers in biology and medicine, 2022 - Elsevier
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. In …

[HTML][HTML] A novel multivariate time series forecasting dendritic neuron model for COVID-19 pandemic transmission tendency

C Tang, Y Todo, S Kodera, R Sun, A Shimada, A Hirata - Neural Networks, 2024 - Elsevier
A novel coronavirus discovered in late 2019 (COVID-19) quickly spread into a global
epidemic and, thankfully, was brought under control by 2022. Because of the virus's …

Coronavirus disease 2019 transmission and symptoms in young children during the severe acute respiratory syndrome coronavirus 2 Delta variant and Omicron …

T Akaishi, T Ishii - Journal of International Medical Research, 2022 - journals.sagepub.com
Objective Little is known about the transmission of coronavirus disease 2019 (COVID-19) in
young children. This study aimed to clarify the risk of COVID-19 transmission among this …

Did the Tokyo Olympic Games enhance the transmission of COVID-19? An interpretation with machine learning

A Hirata, S Kodera, Y Diao, EA Rashed - Computers in biology and …, 2022 - Elsevier
Background In the summer of 2021, the Olympic Games were held in Tokyo during the state
of emergency due to the spread of COVID-19 pandemic. New daily positive cases (DPC) …

Differentiating behavioral impact with or without vaccination certification under mass vaccination and non-pharmaceutical interventions on mitigating COVID-19

H Cao, L Cao - Scientific Reports, 2024 - nature.com
As COVID-19 vaccines became widely available worldwide, many countries implemented
vaccination certification, also known as a “green pass”, to promote and expedite vaccination …

Population-level immunity for transient suppression of COVID-19 waves in Japan from April 2021 to September 2022

S Kodera, H Ueta, T Unemi, T Nakata, A Hirata - Vaccines, 2023 - mdpi.com
Multiple COVID-19 waves have been observed worldwide, with varying numbers of positive
cases. Population-level immunity can partly explain a transient suppression of epidemic …