The provincial health department has confirmed that a 16-month old boy in Qila Abdullah area of the province, tested positive for the virus.
The case has been reported in Punjab's district of Layyah.
According to the National Institute of Health (NIH), a five-year-old boy has been affected by the virus in the Landhi.
A three-year-old boy has been affected by the virus in North Waziristan.
A four-year-old girl was tested positive for polio virus in Osta Mohammad Tehsil, which is first case reported in Jaffarabad district of Balochistan, raising the province’s tally to seven this year.