England Cricket Board (ECB) said that they are in discussions with the PCB regarding the start of the first Test due to a viral infection within England camp.

While Pakistan Cricket Board (PCB) said that the PCB and ECB are in discussions regarding the commencement of the 1st Pakistan vs England Test as some England players are down with viral infection.

"The PCB continues to monitor the situation, is in contact with the ECB and will provide further updates in due course," the statement reads. 

https://twitter.com/englandcricket/status/1597878602821165056

Only a few England players took part in today's practice session at Rawalpindi Cricket Stadium. 

https://twitter.com/englandcricket/status/1597878106278199301

Earlier, ECB and PCB refuted claims that first could be postponed amid the new situation at the England camp where players infected with viral infection.