Coronavirus disease 2019<unk>  is a respiratory illness that can spread from person to person. The virus that causes<unk>  is a novel coronavirus called SARS CoV-2 that was first identified during an investigation into an outbreak in Wuhan, China. Coronavirus is a genus of animal virus belonging to the family Coronaviridae. Coronavirus, named due to the "crown" like appearance of its surface projections, was first isolated from chickens in<unk> 37. In<unk> 65, Tyrrell and Bynoe used cultures of human ciliated embryonal trachea to propagate the first human coronavirus (HCoV) in vitro. There are now approximately 15 species in this family, which infect not only humans but cattle, pigs, rodents, cats, dogs and birds (some are serious veterinary pathogens, especially chickens). Coronavirus gained international popularity after the deadly SARS epidemic caused by SARS-CoV in 2002 - 2003. A novel coronavirus known as the MERS-CoV was the highlight of the year 2012 when it caused the Middle East respiratory syndrome (MERS) epidemic. 2019 Novel Coronavirus (2019-nCoV) is a virus identified as the cause of an outbreak of respiratory illness first detected in Wuhan, China. Based on the grouping, coronavirus can be classified into three groups. It can also be classified into families based on the genome and the method of replication. The virus can also be classified based on human infectivity.
COVID-19
Long COVID
Avian influenza
Swine influenza
Freshers' Flu
Rubella
HIV
Anthrax