Veterinary Public Health Journal | Issue #17
COVID 19- Global Matter of Concern at present. ABSTRACT
Corona virus disease-2019 (COVID19); a zoonotic virus today, being a global matter of concern after its outbreak on 31st December 2019, first notified in Wuhan, China. World Health Organization(WHO) made the assessment that COVID19 can be characterized as a pandemic on March 11,2020 after its huge outbreak outside the China and many countries. Though, virus itself is not too dangerous observing the previous history, it is threat because no vaccines are made till date for both human and animals and are on trails.
i r t a h K a Ush
INTRODUCTION
Coronaviruses(CoV) are a large family of viruses that causes illness ranging from the common cold to more severe diseases. Coronavirus disease was first described in 1931, with the first coronavirus(HCoV-229E) isolated from humans in 1965. Until the outbreak of severe acute respiratory syndrome in late 2002, only two human coronaviruses(HCoV) were known-HCoVA-229E & HCoV-OC43. Once the Severe Acute Respiratory Syndrome (SARS) corona-virus(SARS-CoV) had been identified, two further human coronaviruses were identified. Three groups coronaviruses exist:
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The SARS-CoV-2 is a beta-coronavirus, which is enveloped non-segmented positive-sense RNA virus.They have polycistronic plus-stranded RNA genomes (about 26-32 kilobases) long with 80x160 nm diameter, with 12-24 nm surface projections ( spikes ) that cause the corona (Latin: crown, appearGroup1(HCoV-229E and HCoV-NL63) ance) Group2(HCoVOC43 and HCoV-HKU1) S- spike Group3(no human CoVs as yet) E- envelope M- membrane But, the new coronavirus disease as an N- nucleocapsid outbreak of respiratory illness proved to be infected by a 2019 novel coronavirus, officially named Coronavirus Dis- ETIOLOGY The disease- COVID-1 is caused by inease 2019, notified in Wuhan, China. fection from the new coronavirus, SARSCoV-2, which is one of multiple coronaMORPHOLOGY OF VIRUS Coronaviruses(CoV) are divided into viruses that can infect humans. Other four genera, including α-/β-/gamma- examples includes SARS, MERS(Middle /δ-CoV. α- and β-CoVs are able to infect East Respiratory Syndrome). Both humammals, while gamma - and δ-CoV mans and animals are affected by the virus. The new kind of virus is mainly tend to infect birds. seen to be matched in the pangolins. VetPubHealth Journal ISSUE 17
IVSA Standing Committe on One Health
April 2020
