Viruses, ultra-microscopic structures mainly are pathogens, which affect the human beings by causing endemic, epidemic and even pandemic diseases. Coronaviruses (CoV) - large family of enveloped viruses containing single stranded RNA, belong to the family: Coronaviridae, order: Nidovirales. Zoonotic coronaviruses have emerged in recent years to cause human outbreaks such as SARS - severe acute respiratory syndrome, MERS - Middle East respiratory syndrome and coronavirus disease 2019 (COVID-19). SARS-like CoVs observed in horse shoe bats like Rhinolophus macrotis & R.sinicus which shed the virus in saliva and urine transmitting to human beings during the processing of bat meat. SARS-CoV-2 virions attach to human cells manifested as a respiratory infection. The clinical spectrum of illness varies from no symptoms or mild respiratory symptoms to severe, rapidly progressive pneumonia, acute respiratory distress syndrome, septic shock, or multi organ failure resulting in death. There are many ways of diagnosis of COVID-19 through thermal checking for fever, symptoms like severe cough, cold etc., lung X-ray, antibody detection and PCR tests. ‘Prevention is better than cure’, a comm
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