According to Brazils medical staff, the striker¡¯s condition is not serious and he is expected to be able to play in Brazils World Cup opening match against Croatia on June 13, in Berlin.

Ronaldo has been medicated and rested during the afternoon in the hotel in Konigstein, where the team is based.

Ronaldos fever case was the players second health problem in the last few days. On Sunday, June 4, during a friendly match against New Zealand, the player complained about pain caused by blisters on both his heels.

The Brazilian teams physician Jose Luiz Runco said the blisters have healed. Ronaldo's blister issue, which made headlines all over the world, even inspired an ad campaign of Johnson & Johnsons bandage Band Aid in the Brazilian media.

The campaign featured a Brazilian team T-shirt with a number 9 (Ronaldo's T-shirt) with a Band Aid on the lower end of the 9 and the slogan "If it is up to us, he will be scoring goals even with his heels".