India batsman KL Rahul has been struck down with acute appendicitis, according to his Indian Premier League side Punjab Kings.
Sachin Tendulkar spent time in hospital on medical advice after testing positive for COVID-19, but he is now back home and resting up.
Axar Patel is isolating in a designated medical care facility after returning a positive COVID-19 test.
England came away from their tour of India empty-handed, losing series in all three formats, but Jos Buttler remained positive.
Sam Curran slammed 95 not out as England threatened an unlikely victory, only for India to eventually prevail in the series decider.
Jos Buttler talked up England's batting exploits as their star fast bowler is set for surgery on his latest injury.
Sachin Tendulkar revealed on Twitter that he has returned a positive COVID-19 test and is self-isolating at home.
Ben Stokes and Jonny Bairstow were the subject of high praise from India captain Virat Kohli after leading England to victory.
England suffered a chastening loss to India in their ODI series opener but fought back in style on Friday, with Ben Stokes starring.
England drew level in their three-match ODI series with India as Ben Stokes and Jonny Bairstow each produced fine knocks.