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Indian Journal of Animal Sciences ; 90(3):158-173, 2020.
Article in English | GIM | ID: covidwho-1717235

ABSTRACT

After the appearance of first cases of pneumonia of unknown origin in the Wuhan city, China, during late 2019, the disease progressed fast. Its cause was identified as a novel coronavirus, named provisionally 2019-nCoV. Subsequently, an official name was given as SARS-CoV-2 Severe Acute Respiratory Syndrome Coronavirus-2 by the International Committee on Taxonomy of Viruses ICTV study group. The World Health Organization WHO named the Coronavirus disease-2019 as COVID-19. The epidemics of COVID-2019 have been recorded over 113 countries/territories/areas apart from China and filched more than 4,292 humans, affecting severely around 1,18,326 cases in a short span. The status of COVID-2019 emergency revised by the WHO within 42 days from Public Health International Emergency January 30, 2020 to a pandemic March 11, 2020. Nonetheless, the case fatality rate CFR of the current epidemic is on the rise between 2-4%, relatively is lower than the previous SARS-CoV 2002/2003 and MERS-CoV 2012 outbreaks. Even though investigations are on its way, the researchers across the globe have assumptions of animal-origin of current SARS-CoV-2. A recent case report provides evidence of mild COVID-2019 infection in a pet dog that acquired COVID-2019 infection from his owner in Hong Kong. The news on travellers associated spread across the globe have also put many countries on alert with the cancellation of tourist visa to all affected countries and postponement of events where international visits were required. A few diagnostic approaches, including quantitative and differential real-time polymerase chain reaction assays, have been recommended for the screening of the individuals at risk. In the absence of any selective vaccine against SARS-CoV-2, re-purposed drugs are advocated in many studies. This article discourse the current worldwide situation of COVID-2019 with information on virus, epidemiology, host, the role of animals, effective diagnosis, therapeutics, preventive and control approaches making people aware on the disease outcomes.

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