Coronaviruses (CoVs) primarily cause enzootic infections in birds and mammals but, in the last few decades, have shown to be capable of infecting humans as well. [2] The outbreak of severe acute respiratory syndrome (SARS) in 2003 and, more recently, Middle-East respiratory syndrome (MERS) has demonstrated the lethality of CoVs when they cross the species barrier and infect humans.
Original Source [3]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/coronavirus-envelope-protein-current-knowledge
[2] http://www.indiaenvironmentportal.org.in/files/file/Coronavirus.pdf
[3] https://virologyj.biomedcentral.com/articles/10.1186/s12985-019-1182-0
[4] http://admin.indiaenvironmentportal.org.in/category/author/dewald-schoeman
[5] http://admin.indiaenvironmentportal.org.in/category/author/burtram-c-fielding
[6] http://admin.indiaenvironmentportal.org.in/category/journal/virology-journal
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/viral-diseases
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/animal-diseases
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/infectious-diseases
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/respiratory-diseases