COVID-19 is caused by a virus called coronavirus that causes upper-respiratory tract illnesses, like the common cold and also severe diseases.
SARS-Cov-2 emerged from Wuhan, China in December 2019 and was declared a global pandemic by the World Health Organization(WHO) in March 2020. Scientists have been studying the disease and its cause, and the full analysis shows that the disease has sequenced the genetic material of the virus. According to WHO, some people who become ill with COVID-19 can also develop a bacterial infection as a complication.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.