"The players are asymptomatic and have been isolated under the supervision of the club's medical department," Flamengo tweeted on Sunday night.
Meanwhile all eyes will focus on whether new signing Edouard Mendy goes straight into the Chelsea side or if Frank Lampard keeps faith with Kepa Arrizabalaga after another bad error last weekend.
That has raised doubts over whether Zidane is going to face the same issues as last season, when his side at times struggled to score goals.
The single-leg match was played behind closed doors in the city of Petah Tikva, after Beer Sheva's Turner Stadium was closed last month amid structural concerns.
RIO DE JANEIRO, Sept. 21 (Xinhua) -- Teenage Botafogo forward Luis Henrique Lima is close to joining Olympique de Marseille, according to reports in the Brazilian press.
BEIJING, Sept. 20 (Xinhua) -- Cultural activities were held Sunday at the Great Wall in Badaling, Yanqing district of Beijing to welcome the Beijing 2022 Olympic Winter Games' 500-day countdown.
At the Chinese club he collaborated with his compatriot Eran Zahavi, who recently joined Dutch side PSV Eindhoven. Enditem
The only disappointment for Graham Potter's side was a late red card for Yves Bissouma.
Betis are another team with two wins from two games after Nabil Fekir's penalty after 10 minutes and William Caravalho's powerful drive from outside the area eight minutes later gave the team from Seville a comfortable 2-0 victory against Valladolid and maintain new coach Manuel Pellegrini's perfect start.
Widespread reports in the Israeli media suggest the 27-year-old will join Dubai's Al-Nasr SC, who play in the UAE Pro League.
Wuhan once had a good chance to pull one back in the 43rd minute when midfielder Liu Yun sent an accurate cross in the penalty area, but forward Dong Xuesheng failed to touch the ball.