Portugal Footballer Joao Cancelo has tested positive for the coronavirus after which he is out of the 2020 UEFA European Championship.
Joao Cancelois now self-isolating after Saturday's test result.
The defending champions' federation announced on Sunday that Manchester United's Diogo Dalot, on loan to AC Milan, has replaced Portugal's Joao Cancelo in the Portuguese team with the cup holders set to open their campaign against Hungary in Budapest on Tuesday.
They face Germany in Munich four days later with world champions France waiting for them back in Budapest on June 23.
"According to the Covid-19 protocol established by UEFA before Euro 2020 matches every player in the squad underwent RT-PCR tests on Saturday. The results, with the exception of Joao Cancelo, were negative," the Portuguese federation announced.
Cancelo is one of several Euro players to contract coronavirus.
Russia's build-up to the overdue European Championship was hit when winger Andrei Mostovoy tested positive.
Spain skipper Sergio Busquets is also self-isolating and out of the opening game against Sweden on Monday after testing positive last weekend.
Sweden forward Dejan Kulusevski and midfielder Mattias Svanberg also tested positive.