Oscar moved from the Premier League to Chinese Super League side Shanghai SIPG for a still-Asian-record 60 million euros in January 2017.
Paulinho reportedly heads a long list of foreign stars locked out of China as the country attempts to stop imported coronavirus cases.
Chelsea F.C.'s Diego Costa reportedly reacted angrily to an aggressive knee-high challenge from teammate Oscar during practice, who was said to be furious with a previous tough tackle from the notoriously temperamental Spain striker
Willian, Oscar, Diego Costa and Cesc Fabregas netted a goal as Chelsea F.C. started their Champions League campaign with a 4-0 win over Maccabi Tel Aviv.
Brazil came from a goal down to thrash France 3-1 in a friendly in Paris.
Oscar, Neymar and Luiz Gustavo netted a goal each to help Brazil come from a goal down to beat France 3-1 to maintain their unbeaten run since World Cup quarter-final exit.
Chelsea F.C. manager Jose Mourinho was critical of his side's overall display vs QPR on Saturday but reserved his praise for an influential performance by Oscar, capped by an outstanding moment of individual skill to give Chelsea a first half lead at Stamford Bridge on Saturday.
Brazil midfielder Oscar says his Chelsea teammates are not yet thinking about a possible showdown with Brazil's Corinthians in December's FIFA Club World Cup final.
Despite Chelsea winning its first Champions League trophy and seventh FA Cup last season, manager Roberto Di Matteo has spent the offseason overhauling the club's attacking options ahead of the upcoming Premier League campaign.
Chelsea is this week expected to confirm the signing of Brazilian starlet Oscar after the midfielder underwent a medical with the European champions.