The latest development means that AC Milan will have to play without two of their highest-paid players as they team seek to improve upon its sixth-place finish in a 2019-20 Serie A season.
In a social media post, Ibrahimovic said he showed no symptoms of COVID-19 and vowed to recover quickly. The 38-year-old scored twice in AC Milan's 2-0 win over Bologna in its opening game of the new season.
Duarte tested positive after a round of testing on Tuesday. According to Serie A rules, a positive test in any team automatically triggers a second round of testing, after which Ibrahimovic tested positive, reports Xinhua.
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In a statement, AC Milan said Italian health authorities had been informed and that both Ibrahimovic and Duarte had been placed under home quarantine. All other players and officials with the team tested negative.
Ibrahimovic's latest contract, reportedly worth 7 million euros, brought him back to AC Milan in January following an initial stint with the team between 2010 and 2012 during which he scored 42 goals. Before his return to Italy, Ibrahimovic had played for LA Galaxy of Major League Soccer in the US.
Ibrahimovic began his professional career with Sweden's Malmo FF in 1999.
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