"In the first half we were flat," said Simeone. "In the second we created a lot of chances, Suarez hit the post -- there was a lot of positives to take."
"Joao Felix has tested positive for Covid-19. The striker is isolating at home, in compliance with the health authorities' guidelines and La Liga protocols."
The 21-year-old Portuguese player joins teammates Yannick Carrasco and Mario Hermoso, who tested positive for coronavirus last week, on the sidelines.
A statement from Atletico said Belgian winger Carrasco and Spanish defender Hermoso have been isolating at home since Friday and will miss Sunday's trip to Cadiz.
Diego Simeone's side have a seven-point lead at the top of the standings.
He had Marcos Llorente's pressing to thank for his equaliser but the second was almost entirely down to him, the 33-year-old chasing down a long punt downfield before tumbling over in the box.
FIFA then placed an embargo on the ban on Jan. 2 following an appeal by Atletico.
Trippier missed two La Liga games due to the ban but returned and provided an assist in last Tuesday's 2-0 win over Sevilla which kept Atletico top of La Liga.
The French forward got Real off to a flying start by scoring in the sixth minute, trapping a chipped pass from Rodrygo with his right foot and calmly finishing into the net with his left for a fifth goal in his last four matches in all competitions.
The Catalans have endured an inconsistent season so far, losing four times already in the league, and sit six points off pacesetters Atletico Madrid, Real Sociedad and Real Madrid.
The 33-year-old was captured shedding tears as he briefly put his head down while he drove out of and away from the Ciutat Esportiva Joan Gamper facilities.
Big blow to Atletico Madrid ahead of their Champions League quarterfinal clash against RB Leipzig, as two squad members test positive for novel COVID-19.
The 31-year-old, who plays for Atletico Madrid in La Liga, pleaded guilty in Madrid court on Thursday to evading €1.1 million in taxes on his image rights.