FIA Race Directors Niels Wittich and Eduardo Freitas have tested positive for COVID-19, RacingNews365.com understands.
Wittich and Freitas assumed Race Director duties on a shared basis for the 2022 season after the FIA removed Michael Masi from the position in the wake of last year's controversially-handled finale in Abu Dhabi.
Sources have indicated that both Wittich and Freitas came down with the virus following the Emilia Romagna Grand Prix, leaving the pair in a race against time to recover and test negative for the next round in Miami.
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Will Wittich and Freitas be able to travel to the US?
A negative test will be required from Wittich and Freitas if they are to travel to the United States, with the inaugural Miami Grand Prix taking place from 6-8 May.
Should one or neither of the two current Race Directors be able to head to the event, it is unclear who could step into the fold at such short notice.
A highly-placed source at the FIA confirmed to RacingNews365.com that Wittich has tested positive for the virus, but could not comment on Freitas.
While the pair were originally set to share duties on a three-race rotational basis, Wittich has been in charge for the first four rounds of the season.
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RacingNews365.com F1 journalists Dieter Rencken, Mike Seymour and Thomas Maher look back over the Emilia Romagna Grand Prix, where Red Bull triumphed, Ferrari hit trouble and Mercedes struggled.