The corona virus is a new virus that first broke out in Wuhan, China, in December 2019. It belongs to the virus family like Sars and Mers. As of February 2020, the new virus will be referred to as Sars-Cov-2 (Severe Acute Respiratory Syndrome Coronavirus 2). As soon as a disease is caused by the virus, it is called Covid-19 (Corona Virus Disease 2019).
Since mid-March 2020, the World Health Organization (WHO) has classified Covid-19 as a pandemic.