I didn't imagine it. I like to read all the papers when I go to my club and last week I read a letter in The Times from a consultant at Salisbury hospital that said no one had been brought into the hospital with nerve agent poisoning. "Wow", I thought. But there was absolutely no media reaction to the letter. I thought I must have misread it, but the online The Times is behind a paywall and I couldn't check it again. Now on another site someone has quoted the letter and asked the same question - why is this being ignored? This is what the consultant Dr Stephen Davies wrote in a letter to The Times on the 16th :

"... may I clarify that no patients have experienced symptoms of nerve agent poisoning in Salisbury and there have only ever been three patients with significant poisoning".