About 40,000 residents from 20 villages in northern India have been quarantined after an outbreak was traced to one man.
Officials in the state of Punjab learned that a 70-year-old died of coronavirus after returning from India and Germany and refusing to self-quarantine.
Baldev Singh visited a party for the Sikh festival of Hola Mohalla which attracts about 10,000 people a day for six days.
Nineteen of his relatives tested positive for coronavirus a week after he died.
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“So far, we have been able to trace 550 people who came into direct contact with him and the number is growing. We have sealed 15 villages around the area he stayed,” a senior official told the BBC.
India has one of the world’s lowest testing rates despite having over 1.3 billion people, so officials fear the number of infected people (currently under 700) is wildly inaccurate. Still officials are racing to prevent an outbreak in the country. India recently declared a 21-day lockdown.