Write a short note on born of corona viris
Answers
Answer:
Corona
A new disease first identified in Wuhan, China, in December 2019, and now called COVID-19, continues to spread, primarily in China but cases have also appeared in some two dozen other countries.
Answer:
Coronaviruses are a group of related viruses that cause diseases in mammals and birds. In humans, coronaviruses cause respiratory tract infections that can range from mild to lethal. Mild illnesses include some cases of the common cold (which has other possible causes, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS, and COVID-19. Symptoms in other species vary: in chickens, they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea. There are yet to be vaccines or antiviral drugs to prevent or treat human coronavirus infections.
Orthocoronavirinae
Coronaviruses 004 lores.jpg
Transmission electron micrograph (TEM) of avian infectious bronchitis virus
SARS-CoV-2 without background.png
Illustration of the morphology of coronaviruses; the club-shaped viral spike peplomers, colored red, create the look of a corona surrounding the virion when observed with an electron microscope.
Virus classificatione
(unranked):
Virus
Realm:
Riboviria
Phylum:
incertae sedis
Order:
Nidovirales
Family:
Coronaviridae
Subfamily:
Orthocoronavirinae
Genera[1]
Alphacoronavirus
Betacoronavirus
Gammacoronavirus
Deltacoronavirus
Synonyms[2][3][4]
Coronavirinae
Coronaviruses constitute the subfamily Orthocoronavirinae, in the family Coronaviridae, order Nidovirales, and realm Riboviria.[5][6] They are enveloped viruses with a positive-sense single-stranded RNA genome and a nucleocapsid of helical symmetry. The genome size of coronaviruses ranges from approximately 26 to 32 kilobases, one of the largest among RNA viruses.[7] They have characteristic club-shaped spikes that project from their surface, which in electron micrographs create an image reminiscent of the solar corona from which their name derives.[8]
Explanation:
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