Research Results：3. Simulation of infection spread and control

Simulation of infection spread and control

Estimation of infection status and assessment of the impact of infection on healthcare and the economy.

Estimates of new positive patients for Omicron variant (Tokyo) #7

2022.03.22

Updates on prediction of new infections, severe cases, etc. #5

2022.03.22

Researcher

Akimasa Hirata
Outlook for COVID-19 and Economic Activity after the Lifting of Priority Measures to Prevent the COVID-19 Spread

2022.03.22

Researcher

Taisuke Nakata
Even if the government lifts the ban on the spread of the virus, will it be possible to avoid a major resurgence in the number of infected people?

2022.03.22

Researcher

Yukio Ohsawa
No need to be afraid of infection numbers – In the case of the low severity rate scenario #4

2022.03.08

Researcher

Yukio Ohsawa
Updates on prediction of new infections, severe cases, etc. #4

2022.03.08

Researcher

Akimasa Hirata
COVID-19 infection and economic outlook #13

2022.03.08

Researcher

Taisuke Nakata
Children’s excessive suicide rates during COVID-19 #2

2022.03.08

Researcher

Taisuke Nakata
Analysis of the number of school and class closures #2

2022.03.08

Researcher

Asako Chiba
Divorce rates during COVID-19

2022.03.08

Researcher

Asako Chiba
Updates on prediction of new infections, severe cases, etc. #3

2022.03.01

Researcher

Akimasa Hirata
Effect of Children’s Infection and Isolation on Guardians’ Employment

2022.03.01

Researcher

Asako Chiba
Marriage and birth rates during COVID-19

2022.03.01

Researcher

Asako Chiba
COVID-19 infection and economic outlook #12

2022.03.01

Researcher

Taisuke Nakata
Updates on prediction of new infections, severe cases, etc. #2

2022.02.22

Researcher

Akimasa Hirata
COVID-19 infection and economic outlook #11

2022.02.22

Researcher

Taisuke Nakata
No need to be afraid of infection numbers – Towards post-corona era #3 – moderate sociability recommended

2022.02.22

Researcher

Yukio Ohsawa
Estimates of new positive patients for Omicron variant (Tokyo) #6

2022.02.22

Analysis of the number of school and class closures

2022.02.22

Researcher

Asako Chiba
Omicron Outbreak Strategy #2

2022.02.22

Researcher

Tatsuo Unemi
Omicron Outbreak Strategy #1

2022.02.15

Researcher

Tatsuo Unemi
Updates on prediction of new infections, severe cases, etc.

2022.02.15

Researcher

Akimasa Hirata
COVID-19 infection and economic outlook #10

2022.02.15

Researcher

Taisuke Nakata
Estimates of the number of daycare closures

2022.02.15

Researcher

Asako Chiba
Peak numbers of new infections – Examples of future forecasts in Tokyo

2022.02.08

Researcher

Akimasa Hirata
No need to be afraid of infection numbers – Towards post-corona era #2

2022.02.08

Researcher

Yukio Ohsawa
Estimates of new positive patients for Omicron variant (Tokyo) #5

2022.02.08

Prospects for the number of critically ill patients in Tokyo (new standard)

2022.02.08

Researcher

Taisuke Nakata
Children’s excessive suicide rates during COVID-19

2022.02.08

Researcher

Taisuke Nakata
Birth rates during COVID-19

2022.02.08

Researcher

Asako Chiba
Marriage rates during COVID-19

2022.02.08

Researcher

Asako Chiba
Rapid expansion of Omicron variants and upper limits of testing capacity

2022.02.01

Researcher

Tatsuo Unemi
Analysis of the preventive effect of vaccination and the effect of emergency declaration

2022.02.01

Researcher

Akimasa Hirata
Severity and mortality in wave 6: impact of restriction on the number of PCR tests

2022.02.01

Researcher

Taisuke Nakata
Rapid expansion simulation of Omicron variant #2

2022.01.25

Researcher

Tatsuo Unemi
Estimates of the number of new positive cases and bed utilization in January

2022.01.25

Researcher

Akimasa Hirata
Outlook for COVID-19 and Economic Activity – Impact of stricter hospitalization standards #9

2022.01.25

Researcher

Taisuke Nakata
No need to be afraid of infection numbers – Towards post-corona era (low severity scenario)

2022.01.25

Researcher

Yukio Ohsawa
Visualization of the risk of household contact infection

2022.01.25

Estimates of new positive patients for Omicron variant (Tokyo) #4

2022.01.25

Rapid expansion simulation of Omicron variant #1

2022.01.18

Researcher

Tatsuo Unemi
Estimates of new positive patients for Omicron variant(Tokyo) #3

2022.01.18

Analysis and Future Prediction of Omicron Variant Diffusion

2022.01.18

Researcher

Akimasa Hirata
Analysis of Omicron variant: cost of booster inoculation and contact isolation

2022.01.18

Researcher

Asako Chiba
Stagnation of economic activity following the emergency declaration

2022.01.18

Researcher

Taisuke Nakata
Outlook for COVID-19 and Economic Activity #8

2022.01.18

Researcher

Taisuke Nakata
Estimates on new positive persons for Omicron variant (Tokyo) #2

2022.01.11

The O variant will exceed 10,000 in early February (Tokyo)

2022.01.11

Researcher

Yukio Ohsawa
Monitoring of severity and mortality in 6th wave

2022.01.11

Researcher

Taisuke Nakata
Severity rate and fatality rate in 6th wave

2022.01.11

Researcher

Taisuke Nakata
COVID-19 infection and economic outlook #7

2022.01.11

Researcher

Taisuke Nakata
Analysis and forecast of COVID-19 spread from the end of 2021 to the beginning of 2022

2022.01.11

Researcher

Akimasa Hirata
Changes in the number of new positive cases due to the infectivity of Omicron variants

2022.01.04

Researcher

Akimasa Hirata
Omicron Variant

2021.12.23

Researcher

Taisuke Nakata
Booster vaccination is mandatory if Omicron variant is at or above risk of severe disease – liberalization of doctors’ judgment is the deciding factor

2021.12.21

Researcher

Yukio Ohsawa
Projection of the number of new positive persons assuming the prevalence of Omicron variant

2021.12.21

Researcher

Akimasa Hirata
Simulation for intrusion of Omicron variant #2

2021.12.21

Researcher

Tatsuo Unemi
Analysis of Omicron variants: vaccines and vaccine passports

2021.12.21

Researcher

Asako Chiba
Estimates of new positive patients for Omicron variant(Tokyo)

2021.12.21

Deviation between the basic scenario and actuals

2021.12.14

Researcher

Taisuke Nakata
Projection of the number of new positive persons assuming the prevalence of Omicron variant

2021.12.14

Researcher

Akimasa Hirata
Five Reasons for the Decrease in the Number of Infected Persons and Findings for the Future

2021.12.14

Researcher

Yukio Ohsawa
Toward Higher Accuracy in Predicting the Number of New Positive Patients

2021.12.07

Researcher

Akimasa Hirata
Prevention of infection per population by the third vaccination scenario

2021.12.07

Researcher

Akimasa Hirata
Simulation for intrusion of Omicron variant #1

2021.11.30

Researcher

Tatsuo Unemi
Prevention of infection per population by the third vaccination scenario

2021.11.30

Researcher

Akimasa Hirata
Economic Value of Avoiding COVID-19 Death

2021.11.30

Researcher

Taisuke Nakata
Booster Vaccination planning

2021.11.30

Researcher

Yukio Ohsawa
Data analysis: Coronavirus and Long-Distance Travel

2021.11.30

Researcher

Asako Chiba
Visualization model for infection risks at home

2021.11.16

System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #9

2021.11.16

Researcher

Akimasa Hirata
Impact of active domestic travels

2021.11.16

Researcher

Asako Chiba
Relationship between human flow and rate of change in infection (Tokyo)

2021.11.16

Suicide due to COVID-19

2021.11.16

Researcher

Taisuke Nakata
Revised plan of the new Shimoda Model

2021.11.16

Researcher

Yukio Ohsawa
Spread and attenuation of COVID-19 in 3rd-5th waves

2021.11.09

Researcher

Akimasa Hirata
Application of Monitor Questionnaire Results to Network Generation Logic – Convergence Possibility by January Booster Initiation, Vaccine Passport Implementation, and Selective Booster Inoculation –

2021.11.09

Researcher

Yukio Ohsawa
Factors behind the decrease in infections in Tokyo: quantitative analysis (abridged)

2021.11.09

Researcher

Taisuke Nakata
Wave Flow in KeyGraph: waves are not over

2021.10.26

Researcher

Yukio Ohsawa
Factors behind the infection decrease in Tokyo: quantitative analysis.

2021.10.26

Researcher

Taisuke Nakata
Changes in new positive cases in Jul-Sep period

2021.10.19

Researcher

Akimasa Hirata
Risk of being overconfident

2021.10.19

Researcher

Yukio Ohsawa
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #8

2021.10.12

Researcher

Akimasa Hirata
Outlook for COVID-19 and Economic Activity #6

2021.10.12

Researcher

Taisuke Nakata
Increased human flow and booster inoculation – Estimating effects of vaccination rate and vaccination certificate – Tokyo case

2021.10.05

Strategy Cocktail

2021.10.05

Researcher

Yukio Ohsawa
Effect of Antibody Cocktail

2021.10.05

Researcher

Asako Chiba
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #7

2021.10.05

Researcher

Akimasa Hirata
Suicides during COVID-19 period

2021.10.05

Researcher

Taisuke Nakata
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #6

2021.09.29

Researcher

Akimasa Hirata
“The exit should be opened by someone close to you” – Effect of weeding – “Stay with Your Community”

2021.09.29

Researcher

Yukio Ohsawa
Correlations between Corona Infection and Human Flow

2021.09.29

Researcher

Taisuke Nakata
Outlook for COVID-19 and Economic Activity #5

2021.09.29

Researcher

Taisuke Nakata
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #5

2021.09.21

Researcher

Akimasa Hirata
Optimizing Medical and Laboratory Resources Simulation #28

2021.09.21

Emergency confirmation – Booster doses should be administered promptly based on the antibody response

2021.09.21

Researcher

Yukio Ohsawa
Simulations after lifting emergency declaration #2

2021.09.21

Researcher

Asako Chiba
Post-vaccination world: Long-term Outlook for COVID-19 and Economic Activity #2

2021.09.14

Researcher

Taisuke Nakata
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #4

2021.09.14

Researcher

Akimasa Hirata
Effectiveness of emergency declarations, booster vaccinations, and vaccine passports

2021.09.14

Researcher

Yukio Ohsawa
Date of lifting the declaration, increase in human flow, vaccine effect, booster vaccination, vaccination rate, restriction on vaccination certificate – their estimated effects (Tokyo)

2021.09.14

Simulations after lifting emergency declaration

2021.09.14

Researcher

Asako Chiba
Lifting the Fourth Emergency Declaration and Subsequent Scenarios

2021.09.14

Researcher

Tatsuo Unemi
Strategy for Lifting the Fourth Emergency Declaration #1

2021.09.07

Researcher

Tatsuo Unemi
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #3

2021.09.07

Researcher

Akimasa Hirata
Suicides during COVID-19 period: Analysis by Age and Gender

2021.09.07

Researcher

Taisuke Nakata
Message from the new model

2021.09.07

Researcher

Yukio Ohsawa
Increased human flow and booster inoculation – Estimating effects of vaccination rate increase and vaccination certificate – Okinawa case

2021.09.07

System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality #2

2021.08.31

Researcher

Akimasa Hirata
Post-vaccination world: Long-term Outlook for COVID-19 and Economic Activity

2021.08.31

Researcher

Taisuke Nakata
Estimated effects of human flow suppression and vaccination certificate Tokyo model

2021.08.31

Optimizing Medical and Laboratory Resources Simulation #27

2021.08.31

Analysis on Tel Aviv’s Case in Israel

2021.08.24

Researcher

Akimasa Hirata
Relaxing behavioral restrictions following the spread of vaccination

2021.08.24

Researcher

Asako Chiba
Progress on MultiLayer-MultiAgent model

2021.08.24

Researcher

Yukio Ohsawa
Mid/Long-term Outlook for COVID-19 and Economic Activity #3

2021.08.24

Researcher

Taisuke Nakata
Infection and economic impact of lockdown

2021.08.17

Researcher

Taisuke Nakata
Mid/Long-term Outlook for COVID-19 and Economic Activity #2

2021.08.17

Researcher

Taisuke Nakata
Message from the new model – 1) Flexible and Strong SWTC; 2) Additional vaccination availability; 3) Choose connections #2

2021.08.17

Researcher

Yukio Ohsawa
Estimated effects of human flow suppression

2021.08.17

Optimizing Medical and Laboratory Resources Simulation #26

2021.08.17

Infection control under the delta variant Part 5

2021.08.17

Researcher

Tatsuo Unemi
System Development for Predicting the Number of Infected Persons and Serious Injuries Considering Human Flow and Seasonality

2021.08.15

Researcher

Akimasa Hirata
Mid/Long-term Outlook for COVID-19 and Economic Activity

2021.08.13

Researcher

Taisuke Nakata
Infection control under the delta variant Part 4

2021.08.10

Researcher

Tatsuo Unemi
Outlook for COVID-19 and Economic Activity #4

2021.08.10

Researcher

Taisuke Nakata
Suicides during and after COVID-19 period #2

2021.08.10

Researcher

Taisuke Nakata
Message from the new model – 1) Flexible and Strong SWTC; 2) Additional vaccination availability; 3) Choose connections

2021.08.10

Researcher

Yukio Ohsawa
Impact of the increase in the number of coronavirus beds on infection and the economy

2021.08.03

Researcher

Taisuke Nakata
Outlook for COVID-19 and Economic Activity #3

2021.08.03

Researcher

Taisuke Nakata
Effect of the declaration of a state of emergency, and estimation of positive patients, seriously ill patients, and inpatients #2

2021.08.03

Effect of declining vaccine efficacy

2021.08.03

Researcher

Yukio Ohsawa
Infection control under the delta variant Part 3

2021.08.03

Researcher

Tatsuo Unemi
Introducing MultiLayer-MultiAgent model and its progress

2021.07.27

Researcher

Yukio Ohsawa
Outlook for COVID-19 and Economic Activity #2

2021.07.27

Researcher

Taisuke Nakata
Effect of the declaration of a state of emergency, and estimation of positive patients, seriously ill patients, and inpatients

2021.07.27

Infection control under the delta variant Part 1

2021.07.20

Researcher

Tatsuo Unemi
From vaccination planning to life context networks

2021.07.20

Researcher

Yukio Ohsawa
Effectiveness of July 12th Emergency Declaration and Accelerated Vaccination Scenario Analysis

2021.07.20

Suicides during and after COVID-19 period

2021.07.20

Researcher

Taisuke Nakata
Outlook for COVID-19 and Economic Activity

2021.07.20

Researcher

Taisuke Nakata
Impact of Delta Variant #2

2021.07.13

Researcher

Tatsuo Unemi
Estimated impact of 220,000 visitors to the Olympics Estimated vaccine efficacy by age of Delta strain

2021.07.09

Impact of Delta Variant #1

2021.07.09

Researcher

Tatsuo Unemi
Vaccination Planning (Additional Analysis Report) “Natural and Rapid Vaccine Dissemination” for both infection control and Olympic

2021.07.09

Researcher

Yukio Ohsawa
Optimizing Medical and Laboratory Resources Simulation #23

2021.06.28

A strategy for lifting the third declaration of the state of emergency

2021.06.18

Researcher

Tatsuo Unemi
Simulation for Optimizing Medical and Laboratory Resources #22 – Olympic and Paralympic Response and Vaccination Effectiveness in Tokyo

2021.06.17

Infection estimates for Olympic and Delta Variant

2021.06.17

Vaccination planning (revise (2)) “Natural and rapid vaccine dissemination” for both infection control and Olympic mainstay

2021.06.16

Researcher

Yukio Ohsawa
Impact of non-vaccinated clusters #1

2021.05.21

Researcher

Tatsuo Unemi
Vaccination planning (2) Naturally and quickly

2021.05.18

Researcher

Yukio Ohsawa
Estimated Effectiveness of Priority Vaccination by Age Group

2021.04.21

Simulation for Optimizing Medical and Laboratory Resources #16 – Effectiveness of Priority Measures to Prevent the Spread of Disease

2021.04.15

Simulation results on priority order of vaccination #5

2021.04.15

Researcher

Tatsuo Unemi
Vaccination Planning As an application of Stay with Your Community #2

2021.03.30

Researcher

Yukio Ohsawa
Simulation of Medical and Laboratory Resource Optimization Vaccination Effectiveness Study #4

2021.03.30

Simulation results on priority order of vaccination #4

2021.03.30

Researcher

Tatumi Yamada
Prediction of COVID-19 Variants Infections (Tokyo, Japan) Comparison of Effects of Vaccination Speed, Circuit Breaker, and Priority Age Group

2021.03.30

Estimating the Effectiveness of Vaccinations and Circuit Breakers: Tokyo’s Forecast of Infected People

2021.03.25

Vaccination Planning As an application of Stay with Your Community

2021.03.23

Researcher

Yukio Ohsawa
Simulation of Medical and Laboratory Resource Optimization Vaccination Effectiveness Study #3

2021.03.23

Simulation results on priority order of vaccination #3

2021.03.23

Researcher

Tatsuo Unemi
Optimizing Medical and Laboratory Resources Simulation #15

2021.03.16

Simulation results on priority order of vaccination #2

2021.03.16

Researcher

Tatsuo Unemi
Estimating the Effectiveness of Vaccination for COVID-19 Variants: Predicting Infected Persons and Comparing Follow-up Vaccination and Mass Vaccination in Tokyo

2021.03.16

Simulation of Medical and Laboratory Resource Optimization Vaccination Effectiveness Study #2

2021.03.11

Optimizing Medical and Laboratory Resources Simulation #14

2021.03.11

Simulation results on priority order of vaccination

2021.03.09

Researcher

Tatsuo Unemi
Optimizing Medical and Laboratory Resources Simulation #13

2021.03.05

Phasing out self-restraint and vaccination strategies: Application of Stay with Your Community

2021.03.02

Researcher

Yukio Ohsawa
Simulation study on the frequency of visits by region and the distribution of infected persons by resident using mobile phone base station location information

2021.02.01

Organization

SoftBank
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