Epidemiological Characteristics and Prevention of COVID-19

Abstract

At around March of 2020, the new coronavirus, now named severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), spread fast across the world. The symptoms of SARS-CoV-2, such as fever, cough, difficult breathing, and pneumonia were similar to the infection of influenza virus, which mislead the public at the beginning of the virus outbreak. In addition, social issues in aspects of economy, environment, and resource distribution should be considered as factors of what lead to the global pandemic as well. This article briefly introduced the pathology of COVID-19, summarized factors that lead to the global pandemic from three aspects: the complexity and variation of the virus, the validity of the vaccine, and the action and countermeasures of the public health system. Then, this article discussed the countermeasures aim from public health system and individual at this pandemic particularly, providing some ideas for pandemic of infection diseases in future.