The COVID-19 pandemic is a communicable disease brought about by intense respiratory disorder coronavirus 2 caused by SARS-CoV-2 which remains a significant issue in global health, economics and society. Since its emergence from December 2019. It was initially known to be a zoonotic disease but as it started spreading the transmission from human-to-human has become a more prominent scenario and symptomatic people are the most frequent source of COVID-19 spread. Asymptomatic people also considered as source of this disease. Since the first report of cases from Wuhan city of China, at the end of 2019 cases have been reported in all continents except for Antarctica. On 11th March, WHO has declared the novel corona virus outbreak a global pandemic. COVID-19 has spread widely around the world, affecting more than 70 countries. COVID-19, the disease caused by the new corona virus, can lead to hospitalization and even death for young and middle-aged adults, it has caused the most severe health issues for adults over the age of 60 with particularly fatal results for those 80 years and older. Conditions like diabetes, heart disease, and other chronic illnesses can lead to more intense symptoms and complications in the disease. Top experts in the field of infectious diseases are considering the chances for a possible resurgence of Covid-19. Research indicates that COVID 19 spread could boost in cold and dry conditions. This pandemic has felt a big effects on employment in all over the world because of lockdown, reduction in production and also unavailability of labours etc. The outbreak of COVID-19 has severely disrupted value chains focused on advanced manufactured goods. To ultimately combat the new emerging COVID 19 pandemic, it is desired that to develop an effective and safe vaccine against this SARSCoV-2 virus. Many countries like India, UK, America, Germany, China, Russia etc. are trying to develop the vaccine against this disease which are now in human trial phase.

Keywords: Pandemic; SARS-CoV-2; Asymptomatic; Resurgence; Vaccine.