UNDERSTANDING THE 2019 NOVEL CORONAVIRUS OUTBREAK
*Dr. Mohamed Ashraf PT. and Dr. Nehal ElKilany
ABSTRACT
Coronaviruses are medium-sized enveloped positive-stranded RNA viruses, that belong to the beta coronavirus cluster, whose name is derived from the Latin “corona” meaning crown or halo, referring to their image under electron microscopy with crown like spikes on their surface similar to the solar corona. Covid-19 is the third known zoonotic corona virus disease after SARS and the Middle East respiratory syndrome (MERS). Coronaviruses cause acute and chronic respiratory, enteric and central nervous system (CNS) disease in many species of animals, including humans.
Keywords: Beta coronaviruses, SARS, MERS, COVID19, zoonotic.
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