People have lunch outside a restaurant in Rawalpindi of Pakistan's Punjab province on Jan. 10, 2021. A total of 2,899 people have been tested positive of COVID-19 in Pakistan over the last 24 hours, taking the national tally of the virus-infected people to 502,416, the National Command and Operation Center (NCOC) of Pakistan said on Sunday. (Photos: Xinhua)

People shop at a market in Rawalpindi of Pakistan's Punjab province on Jan. 10, 2021. A total of 2,899 people have been tested positive of COVID-19 in Pakistan over the last 24 hours, taking the national tally of the virus-infected people to 502,416, the National Command and Operation Center (NCOC) of Pakistan said on Sunday.

A man wearing a face mask rides a motorbike in Rawalpindi of Pakistan's Punjab province on Jan. 10, 2021. A total of 2,899 people have been tested positive of COVID-19 in Pakistan over the last 24 hours, taking the national tally of the virus-infected people to 502,416, the National Command and Operation Center (NCOC) of Pakistan said on Sunday.

A woman wearing a face mask crosses a road with her children in Rawalpindi of Pakistan's Punjab province on Jan. 10, 2021. A total of 2,899 people have been tested positive of COVID-19 in Pakistan over the last 24 hours, taking the national tally of the virus-infected people to 502,416, the National Command and Operation Center (NCOC) of Pakistan said on Sunday.

People walk at a market in Rawalpindi of Pakistan's Punjab province on Jan. 10, 2021. A total of 2,899 people have been tested positive of COVID-19 in Pakistan over the last 24 hours, taking the national tally of the virus-infected people to 502,416, the National Command and Operation Center (NCOC) of Pakistan said on Sunday.