The Prediction for the Outbreak of COVID-19 for 15 States in USA by Using Turning Phase Concepts As of April 10, 2020

20 Pages Posted: 20 Apr 2020

See all articles by George Xianzhi Yuan

George Xianzhi Yuan

Soochow University; Business School, Sun Yat-sen University; Guangxi University - Business School; Business School, Chengdu University; BBD Technology Co., Ltd. (BBD)

Lan Di

Jiangnan University

Yudi Gu

Jiangnan University

Guoqi Qian

University of Melbourne

Xiaosong Qian

Soochow University

Date Written: April 10, 2020

Abstract

Based on a new concept called “Turning Period”, the goal of this report is to show how we can conduct the prediction for the outlook in the different stages for the battle with outbreak of COVID-19 currently in US, in particular, to identify when each of top 15 states in USA (basically on their populations) is going to enter into the stage that the outbreak of COVID-19 is under the control by the criteria such as daily change of new patients is less than 10% smoothly. Indeed, based on the data of April 10, 2020 with the numerical analysis, we are able to classify 15 states of US into the following four different categories for the Prevention and Control of Infectious Diseases Today and the main conclusion are:

First, staring around April 14, 20202, three states which are Washington State, Louisiana and Indiana are entering the stage that the outbreak of COVID-19 is under the control, which means daily change of new patients is less than 10% and the gamma is less than zero in general.

Second, staring around April 15, 20202, two states which are New Jersey, and New York are entering the stage that the outbreak of COVID-19 is under the control, which means daily change of new patients is less than 10% and the gamma is less than zero in general.

Third, staring around April 16, 20202, seven states which are California, Florida, Georgia (GA), Illinois, Maryland, Indiana, Michigan, and Pennsylvania are entering the stage that the outbreak of COVID-19 is under the control, which means daily change of new patients is less than 10% and the gamma is less than zero in general.

Fourth, staring around April 17, 20202, three states which are Texas, Massachusetts, and Connecticut are entering the stage that the outbreak of COVID-19 is under the control, which means daily change of new patients is less than 10% and the gamma is less than zero in general.

Finally, we want to reinforce that emergency risk management is always associated with the implementation of an emergency plan. The identification of the Turning Time Period is key to emergency planning as it provides a timeline for effective actions and solutions to combat a pandemic by reducing as much unexpected risk as soon as possible.

Keywords: COVID-19; Turning Period or Turning Phase; Delta and Gamma; Emergency Plan; Outbreak of Epidemic Infectious Disease; Supersaturation Phenomenon; Emergency risk management; iSEIR Model

JEL Classification: E18, E27, E37, E66, G40, G41, H10, H12, H18, H51, I18

Suggested Citation

Yuan, George Xianzhi and Yuan, George Xianzhi and Di, Lan and Gu, Yudi and Qian, Guoqi and Qian, Xiaosong, The Prediction for the Outbreak of COVID-19 for 15 States in USA by Using Turning Phase Concepts As of April 10, 2020 (April 10, 2020). Available at SSRN: https://ssrn.com/abstract=3575002 or http://dx.doi.org/10.2139/ssrn.3575002

George Xianzhi Yuan (Contact Author)

Soochow University ( email )

No, 1 Shizi Street
Suzhou, Jiangsu 215006
China
15010983759 (Phone)

Business School, Sun Yat-sen University ( email )

135, Xingang Xi Road
Guangzhou, Guangdong 510275
China
15010983759 (Phone)

Guangxi University - Business School ( email )

Nanning, Guangxi 530004
China

Business School, Chengdu University ( email )

Chengdu, Sichuan 610106
China
15010983759 (Phone)

BBD Technology Co., Ltd. (BBD) ( email )

21F, Palm Springs Building
No. 199 Tianfu Avenue
Chengdu, Sichuan 610093
China
15010983759 (Phone)

HOME PAGE: http://http:www.bbdservice.com

Lan Di

Jiangnan University ( email )

1800 Lihu Ave.
Wuxi, Jiangsu Sheng 214122
China

Yudi Gu

Jiangnan University ( email )

1800 Lihu Ave.
Wuxi, Jiangsu Sheng 214122
China

Guoqi Qian

University of Melbourne ( email )

185 Pelham Street
Carlton, Victoria 3053
Australia

Xiaosong Qian

Soochow University ( email )

No. 1 Shizi Street
Taipei, Jiangsu 215006
Taiwan

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