Enzo MarescaPA Media
Chelsea's preparations for the second leg of their Europa Conference League last-16 tie against FC Copenhagen have been disrupted by illness, says manager Enzo Maresca.
The Blues head into Thursday's game leading on aggregate after winning 2-1 away in Denmark last week.
However, captain Reece James and forwards Cole Palmer and Christopher Nkunku are among Chelsea players to have missed several training sessions this week following their 1-0 Premier League win over Leicester City on Sunday.
"For Cole, Reece and Christopher today has been their first session," said Maresca.
"They had some problems. Today they are all better. Yesterday they were not even here and two days ago they rested. Today they trained with us and we will see tomorrow if we use all of them."
Chelsea have won all seven of their Conference League games so far this season, scoring 28 goals and conceding just six.
Maresca also confirmed his side will still be without full-back Malo Gusto, while long-term absentees Marc Guiu, Nicolas Jackson and Noni Madueke are also unavailable.
Should they qualify for the quarter-finals, Chelsea would face either Norwegian side Molde or Polish side Legia Warsaw.
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