write an article about covid 19 in 200 words
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COVID-19 (coronavirus disease 2019) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), previously known as the 2019 novel coronavirus (2019-nCoV), a strain of coronavirus. The first cases were seen in Wuhan, China, in late December 2019 before spreading globally 1,2,10. The current outbreak was officially recognised as a pandemic on 11 March 2020 44.
Current imaging best practice advises that CT chest is not used to diagnose COVID-19, but maybe helpful in assessing for complications 115. The non-specific imaging findings are most commonly of atypical or organising pneumonia, often with a bilateral, peripheral, and basal predominant distribution 32. No effective treatment or vaccine exists currently (April 2020) 20.
The World Health Organisation (WHO) originally called this illness "novel coronavirus-infected pneumonia (NCIP)", and the virus itself had been provisionally named "2019 novel coronavirus (2019-nCoV)" 1.
On 11 February 2020, the WHO officially renamed the clinical condition COVID-19 (a shortening of COronaVIrus Disease-19) 15. Coincidentally, on the same day, the Coronavirus Study Group of the International Committee on Taxonomy of Viruses renamed the virus "severe acute respiratory syndrome coronavirus 2" (SARS-CoV-2) 16,22,46. The names of both the disease and the virus should be fully capitalised, except for the 'o' in the viral name, which is in lowercase 16,22,41.
The official virus name is similar to SARS-CoV, the virus strain that caused epidemic severe acute respiratory syndrome (SARS) in 2002-2004, potentially causing confusion 38. The WHO has stated it will use "COVID-19 virus" or the "virus that causes COVID-19" instead of its official name, SARS-CoV-2 when communicating with the public 45.
The full spectrum of clinical manifestation of COVID-19 remains to be determined by 1,13. Symptoms and signs are non-specific 68:
Common
fever (85-90%)
cough (65-70%)
fatigue (35-40%)
sputum production (30-35%)
shortness of breath (15-20%)
Less common
myalgia/arthralgia (10-15%)
headaches (10-36%) 121
sore throat (10-15%)
chills (10-12%)
pleuritic pain
Rare
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A novel corona virus has been identified as the causative pathogen of the of an ongoing outbreak of respiratory disease , now named Covid-19.Most cases and sustained transmition occured in China but travel associated cases have been reported in other countries including Europe and Italy. Since the symptoms are similar to other respiratory infections , differential diagnosis in travellers arriving from countries with widespread Covid-19 must include other more common infections such as influenza and other respiratory tract diseases.
Following the first reports of cases of acute respiratory syndrome of unknown aeslology in Wuhan city Hubel province on 30 December 2019(t). Chinese authorities have identified a novel corona virus now named severe acute respiratory syndrome corona virus 2 (SARS COVID-2) as the causative agent .The outbreak has spread rapidly affecting other parts of China and cases have been recorded in several countries(Asia , Australia , Europe and North America) , further global spread is likely to occur.