Covid update: Ronaldo tests positive; WHO on Aarogya Setu; J&J vaccine trials

From star footballer Cristiano Ronaldo testing positive to WHO lauding Aarogya Setu app, here are the top updates on coronavirus. Portuguese star footballer Cristiano Ronaldo has tested positive for Covid-19, as per the Portuguese soccer federation. Ronaldo is not showing any symptoms, as per reports. Meanwhile, The World Health Organisation (WHO) on Tuesday lauded India's Aarogya Setu app for identifying clusters and helping in expanding testing. PM Modi had launched the contact tracing app in April this year during India's first phase of lockdown. Also, vaccine trials for AstraZeneca and Johnson & Johnson have been halted after a participant showed adverse effects of the medicine. The “unexplained illness” is been investigated by the company. Watch the full video for more details on the coronavirus pandemic.