Llorente can play either as a defensive midfielder or in central defense and has played six times for the Spanish national team.
He has been sidelined since September 2 because of a groin injury.
The Rubronegro reported 11 positive cases in their traveling squad after losing to Independiente 5-0 in Quito last Thursday. They beat Barcelona 2-1 in Guayaquil on Tuesday despite being forced to field a team mostly comprising reserves.
"There is a lot of talk about a tight season and our small squad. I am sure we will have a strong squad with every position doubled up," goalkeeper Manuel Neuer commented.
"After extensive conversations about holding a men's national team camp in October, we ultimately determined the unique challenges created by COVID-19 as it relates to hosting international opponents and getting our players together wouldn't allow us to move forward," US men's national team general manager Brian McBride said.
Real Madrid kept pressing, but Real Sociedad always gave the sensation of danger on the break with winger Ander Barrenetxea a precocious talent on the left.
"Bryan Reynolds has flourished whenever he has gotten an opportunity," the club's president Dan Hunt said in a club statement. "He has a bright future and we're thrilled that he'll continue to grow with us at FC Dallas and at the national team level."
Those expected to have physical contact with athletes will also have tests during the athletes' stay, the draft measures said.
The Brazilian, who was so important to Madrid last season, was surprisingly left out of the starting 11 a week ago, although he did play the last 20 minutes and it will be interesting to see how Zidane deals with the situation.
Yu Jingyao from Beijing and world champion Fu Yuanhui had the same trouble as Yu.
The 26-year-old leaves Barca after 124 first team appearances in the three years since he joined them from Portuguese giants Benfica.