COVID-19 is an infectious disease caused by severe acute respiratory syndrome corona virus two(SARS-COV2). when the person is infected the most common sign include fever, cough, shortness of breath.
According to the World Health Organization (WHO), the WHO China Country Office was informed of cases of pneumonia of unknown etiology in Wuhan City, Hubei Province, on 31 December 2019. A novel coronavirus currently termed 2019-nCoV was officially announced as the causative agent by Chinese authorities on 7 January.
What is real time RT-PCR