Before revision:  During the period of an epidemic when human-to-human transmission is established and reported cases of coronavirus disease (COVID ) are rising worldwide, forecasting is of utmost importance for health care planning and control the virus with limited resource .
After revision:  During the period of an epidemic when human-to-human transmission is established and reported cases of coronavirus disease (COVID ) are rising worldwide, investigation of control strategies and forecasting are necessary for health care planning and control the virus with limited resource .