Varanasi, May 4 (IANS): The one-year-old son and 66-year-old father of the infected scientist of BHU's COVID-19 lab have tested positive for the virus.

All of them are residents of Bagbariyar Singh locality of Chetanganj area of the district.

The COVID-19 testing lab had been shut down on Saturday after the scientist tested positive for the coronavirus.

A 75-year-old man from Madanpura hotspot, who had been in contact with an infected attendee of Tablighi Jamaat event held in Delhi, has also tested positive.

With this, the district's tally of positive cases now stands at 64, out of which one had died on April 3 and 13 patients have been cured. Total number of active cases undergoing treatment at present are 50.

Number of hotspot areas reduced from 25 to 22 in the district after the exclusion of Lohta, Bajardiha and Gangapur areas from the list.

District Magistrate Kaushal Raj Sharma said: "Apart from three new positive cases, second test reports of two already infected persons were also found positive. These two persons are also contacts of infected Tablighi Jamaat attendees."

"The 75-year-old man from Madanpura hotspot who was tested positive on Sunday, remained in contact with an infected Tablighi Jamaat attendee from Karnataka. The total number of infected Tablighi Jamaat attendees and people who contracted the virus from them is now 18 in the district," Sharma said.