Forecasting COVID-19 cases in Selangor using BOX-JENKINS method / Norliana Mohd. Lip ... [et al.]

An outbreak can be defined as when a large number of people become sick or have the same disease simultaneously, and it could remain in one area or spread out to other areas and become more extensive in the chain of the disease which can last in a few days or several years. While pandemic is a disease epidemic that affects several countries or continents simultaneously. It has an enormous impact and kills more people than an outbreak. When it became apparent that the disease was severe and spreading rapidly across a large region, the World Health Organization (WHO) declared COVID’19 a pandemic (Robinson, 2020). People are currently amid an ongoing pandemic caused by the new strain of a novel coronavirus or COVID-19. It was reported at the end of 2019 by World Health Organizations and declared a global health emergency. The COVID-19's word had the meaning where "CO" stands for corona, 'VI' for virus, 'D' for disease, and 19 refer to the year the virus had been recognized. The virus began spreading in 2019, in Wuhan, Hubei, China (Ducharme, 2020).