The Everton star missed out of the Africa Cup of Nations qualifier against Benin Republic at Porto Novo on Saturday and is set to also miss the team’s final qualifier against Lesotho.
“Iwobi has left the camp,” Eagles spokesman Babafemi Raji told AFP.
“Before he left, he did not show any symptoms, he was fine.”
Iwobi, 24, has scored twice during the qualifying campaign for the delayed Cup of Nations, which will be hosted by Cameroon in January next year