LIVE [Coronavirus] COVID19 Map: [Updated Every 2 Min.] Live Stream Stats, Updates, Graph, World Map
Channel: CityYoEd.
Date: 23/04/2020

COVID19 pandemic coronavirus (कोरोनावायरस) लाइव मैप [हर 2 मिनट अपडेट किया गया।] लाइव स्ट्रीम आँकड़े, अपडेट, ग्राफ़, विश्व मानचित्र
 View a LIVE World Map Stream of the the Coronavirus throughout the world, broken down by country. See numbers of cases, recoveries, and deaths in the China,Italy, the US, the UK, India, and other countries throughout the world.

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.
Coronaviruses constitute the subfamily Orthocoronavirinae, in the family Coronaviridae, order Nidovirales, and realm Riboviria.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.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.
(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.)
Coronaviruses were first discovered in the 1930s when an acute respiratory infection of domesticated chickens was shown to be caused by infectious bronchitis virus (IBV). Arthur Schalk and M.C. Hawn described in 1931 a new respiratory infection of chickens in North Dakota. The infection of new-born chicks was characterized by gasping and listlessness. The mortality rate of the chicks was 40–90%. Fred Beaudette and Charles Hudson six years later successfully isolated and cultivated the infectious bronchitis virus which caused the disease. In the 1940s, two more animal coronaviruses, mouse hepatitis virus (MHV) and transmissible gastroenteritis virus (TGEV), were isolated.It was not realized at the time that these three different viruses were related.
Human coronaviruses were discovered in the 1960s.They were isolated using two different methods in the United Kingdom and the United States. E.C. Kendall, David Tyrrell and Malcom Byone working at the Common Cold Unit of the British Medical Research Council in 1960 isolated from a boy a novel common cold virus B814.The virus was not able to be cultivated using standards techniques which had successfully cultivated rhinoviruses, adenoviruses and other known common cold viruses. In 1965, Tyrrell and Byone successfully cultivated the novel virus by serial passaging it through organ culture of human embryonic trachea.The isolated virus when intranasally inoculated into volunteers caused a cold and was inactivated by ether which indicated it had a lipid envelope.Around the same time, Dorothy Hamre and John Procknow at the University of Chicago isolated a novel cold virus 229E from medical students, which they grew in kidney tissue culture. The novel virus 229E, like the virus strain B814,

दुनिया भर में कोरोनावायरस का एक लाइव वर्ल्ड मैप स्ट्रीम देखें, देश से टूट गया। चीन में मामलों की संख्या, वसूली, और मौतें देखें इटली, अमेरिका, ब्रिटेन, भारत और दुनिया भर के अन्य देश।
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Resource Web:- https://www.worldometers.info/coronavirus
**DISCLAIMER**
The medical information on this site is provided as an information resource only and is not to be used or relied on for any diagnostic or treatment purposes. This information is intended for medical education, and does not create any doctor-patient relationship, and should not be used as a substitute for professional diagnosis and treatment. The purpose of this stream is to provide medical information and resources.
अगर आपको हमारे वीडियो पसंद आते हैं तो कृपया लाइक, कमेंट, चैनल को सब्सक्राइब करना ना भूलें।
इसके अलावा, इसे अपने दोस्तों और परिवार के साथ साझा करें
संसाधन वेब: - https://www.worldometers.info/coronavirus
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