Arsenal's preparations for the game against Man City were reportedly severely disrupted by a positive coronavirus test.
A Gunners player tested positive for the virus and had to isolate himself for seven days according to government protocols.
The athlete claim that the player had been in close contact with two other teammates for more than 15 minutes.
These two players were in a 14-day quarantine period and therefore missed key training sessions before returning to the Premier League.
Arsenal suspected a "false positive" result because everyone involved in the previous test round had turned out to be negative.
The weekend before the city clash, Arsenal ran private antigen and antibody tests to check if the player had the virus or had been infected with it in the past.
Both tests were negative and all three players took the next round of testing and received good news 24 hours later.
This enabled the trio to train again for the first time in four days on Tuesday.
Arsenal's plans were further disrupted by strange travel arrangements.
The Gunners left London Stansted at 5 p.m. on Wednesday, just over three hours before their Etihad match started at 8:15 p.m.
They arrived in Manchester at 5:38 p.m. before making the short trip to Liverpool John Lennon Airport between 6:39 p.m. and 6:54 p.m.
The "false positive" coronavirus test and travel arrangements seemed to be too much when Man City's Arsenal were beaten 3-0.
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Arteta lost both Granit Xhaka and Pablo Mari in the first 24 minutes of the competition due to an injury when goals from Raheem Sterling, Kevin De Bruyne and Phil Foden sealed the competition.
Arsenal's miserable return to the 2019/20 season continued when they lost 2-1 to relegation-threatened Brighton at the weekend.
The Gunners will drop out of the top 10 when Burnley defeats Man City on Monday night.
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