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*Initially, the [[Patient|patients]] were believed to have contracted the [[virus]] from [[seafood]]/animal markets which suggested animal-to-human spread. | *Initially, the [[Patient|patients]] were believed to have contracted the [[virus]] from [[seafood]]/animal markets which suggested animal-to-human spread. | ||
*The growing number of [[patients]] however, suggest that human-to-human transmission is actively occurring. | *The growing number of [[patients]] however, suggest that human-to-human transmission is actively occurring. | ||
*In the United States, confirmed cases of COVID-19 have been reported in the states of Arizona, California, Colorado, Florida, Georgia, Illinois, Maryland, Massachusetts, Nevada, New Hampshire, New Jersey, New York, North Carolina, Oregon, Rhode Island, Tennessee, Texas, Washington, and Wisconsin. | *In the United States, confirmed cases of COVID-19 have been reported in the states of Arizona, California, Colorado, Connecticut, Washington D.C., Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Minnesota, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New York, North Carolina, Oregon, Rhode Island, Tennessee, Texas, Washington, and Wisconsin. | ||
*So far, the [[virus]] has spread globally and there are confirmed cases of the [[disease]] in the following countries: | *So far, the [[virus]] has spread globally and there are confirmed cases of the [[disease]] in the following countries: | ||
:* China, Hong Kong, Macau, Taiwan, Australia, Cambodia, Canada, Finland, France, Germany, India, Japan, Malaysia, Nepal, Philippines, Sri Lanka, Singapore, Thailand, The Republic of Korea, United Arab Emirates, United States, and Vietnam<br /> | :* China, Hong Kong, Macau, Taiwan, Australia, Cambodia, Canada, Finland, France, Germany, India, Japan, Malaysia, Nepal, Philippines, Sri Lanka, Singapore, Thailand, The Republic of Korea, United Arab Emirates, United States, and Vietnam<br /> | ||
Revision as of 16:31, 9 March 2020
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COVID-19 Microchapters |
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COVID-19 historical perspective On the Web |
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Risk calculators and risk factors for COVID-19 historical perspective |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Historical Perspective
- Coronavirus, named due to the "crown" like appearance of its surface projections, was first isolated from chickens in 1937.
- In 1965, 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).[1]
2019-nCoV/COVID-19
- 2019 Novel Coronavirus (2019-nCoV), causing COVID-19, is a virus identified as the cause of an outbreak of respiratory illness first detected in Wuhan, China.[2]
- Initially, the patients were believed to have contracted the virus from seafood/animal markets which suggested animal-to-human spread.
- The growing number of patients however, suggest that human-to-human transmission is actively occurring.
- In the United States, confirmed cases of COVID-19 have been reported in the states of Arizona, California, Colorado, Connecticut, Washington D.C., Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Maryland, Massachusetts, Minnesota, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New York, North Carolina, Oregon, Rhode Island, Tennessee, Texas, Washington, and Wisconsin.
- So far, the virus has spread globally and there are confirmed cases of the disease in the following countries:
- China, Hong Kong, Macau, Taiwan, Australia, Cambodia, Canada, Finland, France, Germany, India, Japan, Malaysia, Nepal, Philippines, Sri Lanka, Singapore, Thailand, The Republic of Korea, United Arab Emirates, United States, and Vietnam
- China, Hong Kong, Macau, Taiwan, Australia, Cambodia, Canada, Finland, France, Germany, India, Japan, Malaysia, Nepal, Philippines, Sri Lanka, Singapore, Thailand, The Republic of Korea, United Arab Emirates, United States, and Vietnam
References
- ↑ https://www.cdc.gov/coronavirus/2019-ncov/about/index.html. Missing or empty
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