Mohammad Amir is set to join the Pakistan squad on their tour of England despite previously ruling himself out.
Amir and team masseur Mohammad Imran underwent tests for COVID-19 on Monday and the Pakistan Cricket Board will test them again on Wednesday.
If the pair return two negative tests each they are expected to travel to England over the weekend.
The three-Test series begins at Old Trafford on 5 August but all-rounder Khushdil Shah will miss the first fixture with a fractured thumb.
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