Today the entire world is facing a big Medical Calamity called COVID-19. It is caused by a member of the β group
of coronaviruses named SARS-CoV-2. This virus spread from person to person through droplets generated during coughing
and sneezing from human body. This outbreak was initially observed in Wuhan, China and now it starts reaching from country
to country. As per the data collected from Worldometer, about 210 countries and territories were affected by this disease.
Globally, as on 25th August 2020, there have been 23,518,343 confirmed cases of COVID-19, including 810,492 deaths. The
most affected countries include, USA, Brazil, India, Russia and South Africa having more than 6, 00,000 infected people as
on 25th August 2020. This outbreak of Corona is increasing worldwide, and this situation not only prepare mankind for fighting
todays challenge but also, preparing ourselves for such type of future outbreaks. This paper highlights the symptoms, preventive measures and future challenges of COVID-19 based on the data referred from World Health Organization (WHO).