Worried you may have catch COVID-19 infection? Don't know what are the symptoms of Coronavirus? So to help you, Reliance Jio has launched a symptom checker tool for everyone in India. This tool can be found on MyJio app and on Jio's website- jio.com as well. The self-diagnosis tool comes at a time when more than 500 COVID-19 positive cases have been reported in the country.