Three players from Portugese club Vitoria test positive for COVID-19

A worker wearing protective gear prepares to disinfect a metro train at a maintenance workshop in Lisbon, Portugal, May 7, 2020. Portugal started to revive its economy and society on May 4 after nearly 50 days of lockdown under the state of emergency due to the COVID-19 pandemic. (Photo by Pedro Fiuza/Xinhua)

Three players from Portugese top-flight club Vitoria Guimaraes have tested positive for COVID-19.

LISBON, May 10 (Xinhua) -- Three players from Portugese top-flight club Vitoria Guimaraes have tested positive for COVID-19.

The players are "asymptomatic and quarantined," the club said in a statement on Saturday night, without naming them.

The cases were confirmed amid a screening test on Friday of all the club's staff, coaches and players.

Portuguese soldiers wearing protective gear prepare to disinfect a high school in Lisbon, Portugal, on April 29, 2020. Members of the country's armed forces carried out the disinfection of schools in preparation for a resumption of high schools. (Photo by Pedro Fiuza/Xinhua)

The Portuguese government announced on April 30 that the Portuguese first division would be allowed to resume from the last weekend in May, behind closed doors and subject to the approval of a health protocol.

Sports and health authorities are still working on this protocol and have not yet confirmed the date for the resumption of matches, with ten rounds still to be played.

A drone with a loudspeaker warning people to stay at home is seen flying during an awareness-raising operation to prevent the spread of the COVID-19 in Oeiras, Portugal on April 26, 2020. (Photo by Pedro Fiuza/Xinhua)

Teams in Portugal's top division have resumed individual training to prepare for the resumption of the season, scheduled for the end of May.

At least one other player had already tested positive last week, from the under-23s of the Lisbon club Belenenses. ■