The low viral load was a very unusual but not unheard-of finding, meaning we may never know the truth.
For one, she admitted TV documentary crews into her palaces to film her, an unheard-of relaxation of the court protocols.
How can one not pay tribute to the unheard-of tenacity he demonstrated during every stage of this war?
Taymor and his business partner, Ashleigh Parsons, signed the lease and opened Alma an unheard-of two weeks later.
While we were crossing, the German artillery pounded the enemy's position with unheard-of violence.
He spoke as if three thousand dollars was an unheard-of sum, a fortune.
Think, Monsieur Sariette, think of the possible consequences of this unheard-of theft, committed under your eyes.
The priests are credited with unheard-of influence among the poor.
Cheers were raised again and again at the unheard-of wisdom of the King of Troy.
But it comes always as a new thing, an unheard-of thing, a miracle.