Lahore: Pakistan's fast-rising leg-spinner Shadab Khan was ruled out of next month's series against England with a virus, leaving him in doubt for the World Cup.
The 20-year-old is a key wicket taking option for Pakistan in the ten-team World Cup in England and Wales that starts 30 May.
Pakistan Cricket Board (PCB) said the spinner will receive treatment in UK.
"Shadab's blood tests have revealed (a) virus and doctors have advised him a four week rest," it said in a statement.
"Shadab is out of the five-match one-day series against England and a Twenty20 match (also against England)," it added.
The Pakistan team will fly to England on Tuesday and play a five match one-day series against the number one ranked home team, starting 5 May.
The PCB said Shadab will meet with specialists in England to help him fully recover for the World Cup opener against the West Indies on 31 May at Trent Bridge.
Shadab has played 34 one-day internationals, 32 Twenty20 matches and five Test matches in a promising career that started in 2017.
"The selectors have already included Asif Ali and Mohammad Amir as additional players to the 15-player World Cup squad," the PCB said.
Chief selector Inzamam-ul-Haq described Shadab's loss as "bad news", adding her hopes the spinner will be ready for the tournament.
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Also as per PTI's earlier report, the World Test Championship will have four editions in the next cycle apart from two Champions Trophy.
The BCCI has sought time till 28 June to decide on whether it can host the T20 World Cup in India as a possible third wave of the COVID-19 pandemic is expected during the meet in October-November.
While the UAE were always the first back-up option, Oman's capital Muscat has been added as the fourth venue, apart from Abu Dhabi, Dubai and Sharjah, for the tournament that will start in the last week of October.