Abstract
The coronavirus disease 2019 (COVID-19) pandemic remains a major global public health concern. It is assumed that the COVID-19 outbreak originated in Wuhan, China and spread worldwide as a result of international travel. Here, I used data from China to assess the impact of contact rate for COVID-19 transmission and decay of transmission rate due to implemented interventions for disease control.
Highlights
Coronavirus disease 2019 (COVID-19) is a major public health concern worldwide [1,2]
I found that the number of asymptomatic was higher than symptomatic cases, and that COVID19 transmission is directly linked with contact rate between infectious and susceptible individuals
The basic reproduction number computed in this study without intervention at the contact rate of 1.137 day-1 was found to be 4.9976, suggesting that the number of secondary cases resulted from introduction of a single infectious individual into naive susceptible population was increasing
Summary
Coronavirus disease 2019 (COVID-19) is a major public health concern worldwide [1,2]. It is not well understood how the COVID-19 outbreak started and became the global pandemic as declared by the World Health Organization (WHO). At the beginning of the outbreak, it was assumed that COVID-19 was only transmitted from animal-to-human, and that there was no proof of huma-to-human transmission. Many countries banned international travel from China and implemented national lockdown to limit the spread of COVID-19. The coronavirus disease 2019 (COVID-19) pandemic remains a major global public health concern. It is assumed that the COVID-19 outbreak originated in Wuhan, China and spread worldwide as a result of international travel. I used data from China to assess the impact of contact rate for COVID-19 transmission and decay of transmission rate due to implemented interventions for disease control
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