Recent epidemics and their impact on the society: COVID-19, SARS, MERS, H1N1
Even in 2021, people still have questions and concerns about the new Covid-19. It is very important for the public to learn about the disease and to understand how to protect themselves from it, which is a part of the public health's responsibility. Quarantine, social distance, and more facts about the disease will be beneficial for developing people's self-awareness when involved in a pandemic. Since Covid-19 is an airborne disease, people will have to keep their distance from each other and use masks if possible. Since lock-down passed down in China last year, the death rate and confirmed cases of covid-19 have been decreasing. While people want to go back to work and school, new methods have been come out to help people succeed during this pandemic. In order to help people prevent and protect themselves from Covid-19, this paper will systematically introduce the essential knowledge about Covid-19.