COVID-19

Coronavirus disease 2019 or COVID-19 is categorized as an infectious disease which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Coronaviruses is coming under a large family of zoonotic viruses which is responsible for causing illness ranging from the common cold to severe respiratory diseases. Zoonotic viruses are transmitted from animals to humans. However there are several Coronaviruses which are known to be circulating in different animal populations that have not yet infected humans. COVID-19 is the most recent infection which is said to be transmitted from animals to human beings. Coronavirus was first detected in Wuhan City of China and was called the epicenter of the infection. The first infections were linked to a live animal market in Wuhan, however the case zero could not be identified. The virus has now started to spread from person-to-person. Some viruses known to man are highly contagious (like measles), while other viruses are less so. In December 2019, a novel coronavirus COVID-19 has resulted in the outbreak of a respiratory illness with its origin in Wuhan, China. Since then it has spread to other countries.