The coronavirus is affecting Barcelona. Per ESPN, the Blaugrana have already been told they will have to go through temperature control when they arrive at Naples airport. They will fly there on Monday and train at the San Paolo ahead of the game on Tuesday against Gennaro Gattuso's side. If in anybody has a fever they will be taken to a central hospital to undergo a further examination as per the protocol.
ESPN say that this is following the steps marked by the Italian health authorities. In Italy various matches have been suspended (Inter-Sampdoria, Atalanta-Sassuolo and Verona-Cagliari) after two people died and more are getting infected.