With the flu no one was being isolated, most people know to stay low for a coupe of days because you're not feeling great, that what I call back to normalcy.
Kantjil de Tijger is a great restaurant, order the Rijsttafel!! Other than that a couple of days staying in Den Haag would have been better, but you won't have time:
They are basically a lot of fun, of course they want you the buy the wine packages, but the wines they pour and the cheeses etc. appetizers make it well worth it.